(slang) Anal sex.

(slang) Sexual intercourse entered into with another person within a short time of meeting that person.

An appendage, in the male of some flies, used to grasp the female prior to mating

plural of sex comb

Synonym of sex strike

A strike involving the withholding of sex from one's partner until demands are met.

(slang, idiomatic) A lustful or sexually-charged glance exchanged between two people.

(biology, sex) Biological sex (an individual's anatomical sex at birth, which may not correlate to gender identity).

Men generally.

(genetics) Of a mutation or other genetic feature, carried on the chromosome shared by both the male and female of the species (e.g. the X-chromosome in mammals or the Z-chromosome in birds).