Gender tags

Gender tags:

• male - Self explanatory.
• female - Self explanatory.
• ambiguous - Used when the gender of the subject is ambiguous or otherwise impossible to clearly denote, such as extreme close-ups (or cut-offs), non-human persons, or purposefully androgynous subjects.
• intersex - Catch-all for all sorts of non-standard body types. Everything below should be parented here.
  • hermaphrodite - Feminine body, penis, vagina. Includes futanari.
  • male hermaphrodite - Masculine body, penis, vagina. Think Crim from Interspecies Reviewers.
  • andromorph/cuntboy - Masculine body, vagina, no penis.
  • gynomorph/shemale - Feminine body, penis, no vagina. Includes shemales, includes futanari for some.

Gender counting tags

The family of tags used to describe the amount of and the gender of portrayed subjects.

Use the following:
n female(s), n male(s), n intersex, n other(s)
where n is a number from 1 to 6. Anything more, use 6+ as of Danbooru style. Numbers above 6 are not forbidden but discouraged and should be parented to the equivalent 6+ tag.
Any instance of subjects with gender fitting the umbrella of intersex (see section Gender Tags) should be tagged as n intersex.
Use n other(s) for cases where the gender (see section Gender Tags) is ambiguous.

Gender interaction tags

The family of tags used to describe a sexual or romantic interaction between portrayed subjects.

Use the slash form, as in:
male/female, female/female etc.
When constructing a tag, check the list below. The gender more to the left of the two always goes on the left side of the slash:
andromorph->gynomorph->intersex->male->female->ambiguous

The above order is generally arbitrary, but chosen to keep some compatibility with existing tagging schemas.

Do not use female/male to designate an active female participant, use male/female and supplement it with a tag such as female on top, femdom, etc, in order to be explicit.
gay and lesbian are to be siblinged to male/male and female/female due to a much smaller chance of misinterpretation.
Anything else is to be siblinged to the nearest correct.
While the male on female syntax is slightly more clear as to what it describes, the slash syntax is less directional.

Group sex tags

The family of tags used to specify the configuration of group sex.

Use a letter shortcut + the word threesome, as in:
mmf threesome, ffm threesome, mmff foursome, fffm foursome, parented to threesome or foursome as required.
threesome and foursome should be also parented to group sex.
Don't go above foursome, that's silly. Just use group sex.
For cases with only male and female participants, use the version which starts with the predominant (most numerous) gender, so ffm threesome rather than mff threesome. This appears to be the most common form on the Internet.
Use mmff foursome rather than ffmm foursome for the sake of consistency. Any tags with the incorrect order should be siblinged to the correct version.

For cases with "non-standard" participants, denote them with the letter "t" and sort the shortcut alphabetically, as in:
fft threesome, mtt threesome, fmtt foursome.
The "t" appears to be the most common indicator in this kind of context.

To note:

• group sex - refers to more than two people having sex with each other.
• threesome and foursome - refers to three and four people having sex with each other, respectively. Should be parented to group sex.
• orgy - As per Wikipedia's definition, 5 or more people having sex in vicinity of each other, but not necessarily together, for example 3 pairs of 2.

A threesome and a separate pair is an orgy and contains group sex.
Three separate pairs do not contain group sex despite still being an orgy.