| 1st | First time, defloration or male first time |
| anal | Anal sex |
| BBW | "Big Beautiful Women," Appreciation of fat women |
| bd | means bondage (and discipline) |
| beast | Bestiality, sex with animals (should be "best") |
| best | Bestiality, sex with animals |
| BF | Black Female (in an interracial story). |
| bi | Bisexuality of one or more characters. |
| bibl | Bible. Has a religious theme |
| BM | Black Male (in an interracial story) |
| bondage | means bondage (should be bd) |
| breast | Abnormally large breasts |
| caution | Something in the story might offend (or even sicken) you, but the author isn't telling you what. |
| cbt | Cock and ball torture |
| CD | Cross dressing (should be tv) |
| Celeb | The story is about a celebrity |
| cheat | Married people having sex outside of the marriage, cheating on their partner, as distinct from swinging. |
| coll | College-theme |
| cons or con | The sex is consensual. This should mean that *ALL* the sex is consensual, but some authors use "cons nc" to mean that only some is |
| copr | Coprophilia (Fun with feces) |
| dom | refers to dominance and submission, should be ds. |
| dream | Sexual activity during a dream, (daydream or sleep) |
| ds or d/s | dominance and submission |
| enem | Enemas |
| exhib | Exhibitionism |
| fat | Involves fat people |
| Fdom, or femdom | a dominant female |
| feet | Foot or shoe fetish-story |
| fist | Fisting, insertion of the entire hand into anus or vagina |
| furry | Animals with human characteristics. Werewolf or Mickey Mouse |
| giant | Abnormally large (tall) persons |
| goth | Gothic (dark) setting |
| hair | Hair fetish |
| hirs | Hirsute - natural unshaved genitals and/or armpits |
| hist | Has a historical theme |
| hs | High School-theme |
| humor | Humor. Funny |
| inc | Incest |
| inf | Infantilism |
| interr | Interracial |
| job | Place-of-work theme |
| lac | Milk, not from a cow |
| magic | Magic, or ghouls, or that sort of background |
| mc | "mind-control" a big subgenre |
| Mdom | a dominant male |
| nc | is non-consensual. This is rape in law, but the style may be different |
| nec | Necrophilia. Sex with a dead person |
| oral | Oral sex |
| ped | Ages 12 and below. Should be Mg or something similar. |
| pett | Heavy petting |
| preg | Either impregnation or sex with a pregnant woman |
| Preteen | Ages 12 and below |
| rape | is rape |
| real | Supposedly true |
| reluc | Woman says no, but loves it when she is raped |
| rom | is romantic, which should always be consensual but some writers use it very strangely. |
| sad | Sadism. For "just" inflicting pain |
| safe | Safe sex |
| scat | Scatology: Involving feces |
| ScFi | Science fiction setting. Please note spelling |
| size | Overdeveloped body-parts |
| slash | Homosexual intercourse in an imitation of Star Trek |
| slow | The first part contains no sex, later parts do |
| sm | Sadomasochism |
| snuff | Killing which is supposed to arouse you |
| _-solo | Masturbation, as in F-solo = masturbation by an adult woman |
| span | Spanking, mild sm |
| stroke | The author intended it simply to arouse. |
| teen | Teenagers. Should be "mf" or something similar |
| tg | Trans-gender, men being changed into women (or vice versa) |
| tort | Torture. |
| toys | Generally, adult toys |
| tv | Transvestite: men dressing as women. |
| va | Verbal abuse. (Abusive and "dirty" language) |
| veg | Vegetable. Sex with food |
| viol | Violence, not necessarily connected to the sex |
| virg | Virgin (should be 1st) |
| voy | Voyeur, peeking |
| wife | Wife *watching*; consensual cuckoldry. |
| WF | White Female (in an interracial story). |
| WM | White Male (in an interracial story). |
| ws | Water sports. Pissing. |
| yng | Participants are young. (Should be the specified ages above). |
| zoo | Zoophilia, sex with animals |