CODE	MEANING	DESCRIPTION
1st	FIRST TIME	One or more partners are having sex for the first time
anal	ANAL SEX	Sexual penetration of either a female or male anus
b	BOY	Boy aged 5 - 13
beast	BEASTIALITY	One or more parties have sexual contact with an animal
caut	CAUTION	Reader should be weary of shocking content
cheer	CHEERLEADER	A cheerleader is engaged in sexual activity
cons	CONSENSUAL	All parties consent to the sexual activity
f	TEEN FEMALE	Female aged 13 - 18
F	WOMAN	Female aged 18 or over
fam	FAMILY	Contains sex between the members of an entire family
fetish	FETISH	Contains a fetish activity such as cross dressing
g	GIRL	Girl aged 5 -13
gang	GANGBANG	One female is used sexually by several males
group	GROUP SEX	More than one of each sex participate in sexual contact with each other
inc	INCEST	Explicit sexual contact between members of an immediate or extended family
interr	INTERRACIAL	One of the sexual partners is of a differing race to the other
m	TEEN MALE	Male aged 13 - 18
M	MAN	Male aged 18 or over
n/c	NON CONSENSUAL	One or more parties do not consent to the sexual contact and are forced
panties	PANTIES	The female leaves her panties on during sexual activity
pedo	PEDOPHILLIA	Sexual activity between an adult and a minor
preg	PREGNANCY	Impregnation of a fertile female, or sex with a pregnant female
rape	RAPE	As for non consensual, one or more parties are not willing to participate and are forced
rough	ROUGH	Mildly agressive behavior is displayed during sexual contact
scat	SCAT	Excretion of fecal matter onto a sexual partner during sexual contact
school	SCHOOLGIRL	A young female of school age is engaged in sexual activity
squirt	SQUIRTING	A female squirts female ejaculate on orgasm
t	TODDLER	Child aged 0 - 5
unsafe	UNSAFE SEX	No condoms are used and semen is ejaculated into an orifice
w/s	WATER SPORTS	Urination onto a sexual partner during sexual contact

CODES DESCRIPTION FROM STORIESONLINE.NET

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Age codes
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1MF MF Male over 18, Female over 18
2mf mf Male under 18 and over 12, Female under 18 and over 12
3Mf Mf Male over 18, Female under 18 and over 12
4mF mF Male under 18 and over 12, Female over 18
10FF FF 2 or more Females over 18
5ff ff 2 or more Females under 18 and over 12
9Ff Ff Female over 18, female under 18 and over 12
g g Girls under 12 years
6MM MM 2 or more Males over 18
8Mm Mm Male over 18, Male under 18 and over 12
7mm mm 2 or more Males under 18 and over 12
b b Boys under 12 years
Mult Multiple partners, ie MFF or mmmF, done like this because of the endless combinations that cannot be all included

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The digits preceding the codes in the above categories are meant to allow the non-case sensitive search engine in use on this site to be able to distinguish between different categories that rely on the case of the letter to represent the category
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Story Setting
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true True Story A true story, according to the author.
fant Fantasy Story set in an obviously imaginary setting, applies also to superhero stories.
bknk Novel An old published novel that is not in circulation any more and the publisher has gone under, so it's not going to be published again.
tv TV Show Like an episode in a known TV show
celeb Celebrity A story about a real life celebrity, the story is fictional of course.
ill Illustrated The story contains pictures or illustrations.
no-sex No Sex Story contains no sex description, could hint of it but not necessarily
slow Slow There is plot development before any sex occurs
hist Historical Story that is set in past history, mostly related to famous people and events.
ScFi Sci-Fiction Science Fiction
zoo Zoophilia Different from bestiality, it's about relationships between humans and animals, not just sex.

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Sexual Atmosphere
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rom Romantic Mushy love
1st First One of the parties having sex is doing it for the first time
teen Teen The dominant age of the story cast is teens
humor Humor Contains humor
coll College In a college setting

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Level of Consent in the Story
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cons Consensual All parties are consenting to the act
nc Non-Consentual At least one of the parties is not participating willfully
pedo Pedophelia Taking advantage of the ignorance of really young kids, not necessarily incest
lolita Lolita When a little girl seduces an older man. The opposite of pedo.
caution Caution Story contains something that can't be classified but requires caution on the reader's part
rape Rape Self Explanatory
reluc Reluctant Start as non consentual and then the non consenting party participates willingly
coer Coersion Not exactly blackmail, but applying different kinds of pressure to force into the act.
Blkm Blackmail Blackmailing somebody to force them into the sex act depicted
mc Mind Control Self Explanatory
hypno Hypnosis Self Explanatory
dru Drunk/Drug One party at least is Drunk or drugged and participates without really knowing
trans Transformation Un-natural physical transformation
mag Magic Contains magic and supernatural phenomenons
violent Violent Violence in the story, not necessarily of sexual nature
snuff Snuff Killing being done during the act of sex, regular murder is included in violent

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Incest Codes
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inc Incest sex between the members of the same family
mother Mother The members of the family that are involved in the incestuous affair

son Son
bro Brother
sis Sister
fath Father
dau Daughter
cous Cousins
grand Grand parent
unc Uncle
aunt Aunt
neice Niece
neph Nephew
in-law In-Laws

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Sexual orientation of the sex in the story
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gay Gay Self Explanatory
les Lesbian Self Explanatory
bi Bi-Sexual Self Explanatory
het Heterosexual Self Explanatory
tg Trans-Gender Gender crossing, mostly men turning into women
cd Cross-Dressing Men dressing as women and in women clothing, also vice-versa
herm Hermaphrodite Person having both male and female genitalia

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For Domination Stories
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D/S Dominate/Submissive Story about domination, being sexual or otherwise
Mdom Male dom Male Dominant
Fdom Female dom Female Dominant
span Spanking Somebody gets spanked in the story, willingly or unwillingly
rough Rough Rough sex
BD Bondage Self explanatory
lght Light Bond Light Bondage, usually consentual and for experimentation at the request of the one of the parties
SM S/M Sadistic/Masochist where one party enjoys giving pain and the other enjoys receiving pain
humil Humiliation Degradation of somebody in the story and/or humiliating them publicly
Cuckold Cuckold When man is being forced to accept his wife's cheating against his will.
sad Sadistic Somebody inflicting pain, physical or mental, for the hell of it
tort Torture Self expalanatory

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Group Activities
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cheat Cheating One party is cheating on their spouse
wife Slut Wife Man enjoys watching his wife getting fucked
swing Swinging Trading partners
gang Gang Bang Multiple men fucking same woman
group Group Sex Multiple couples in the same place
orgy Orgy Everybody is Fucking everybody
exhib Exhibitionism Enjoyment of self exposure
voy Voyeurism Enjoyment of watching other people without their knowledge

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Interracial Sex
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interr Inter-racial Not both parties are of same race
WC White-Couple Self Explanatory
BC Black Couple Self Explanatory
BF Black-Female Self Explanatory
BM Black-Male Self Explanatory
WM White-Male Self Explanatory
WF White-Female Self Explanatory

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Sexual Activities
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safe Safe Sex Self Explanatory
oral Oral Self Explanatory
anal Anal Self Explanatory
solo Masturbation Self pleasuring, could be alone or while with somebody else but no intercourse
pett Petting Feeling up and such
size Size Where the size of the sex organs (penis, breasts, toys etc...) plays a major role in the story
fist Fisting Hand and arm insersion
toys Toys Sex with the help of sex toys, such as dildos and vibrators
beast Bestiality Sex with animals
squirt Squirting Female Ejaculation.
veg Food Sex where food is involved, like doing it to a pie or shoving a carrot
lac Lactation Drinking and playing with human milk
ws Water Sports Peeing on each other
enem Enema Getting an enema as a sexual thing
scat Scat Playing with feces
preg Pregnancy Somebody gets pregnant in the story
creampie Cream Pie Somebody licks a pussy full of come

doct Doctor/Nurse Medical Fetish, Doctor or Nurse Play a prominent role in the story