Femcan is a term that is short for female cannibal. Pictures and videos of femcan typically include women eating men or parts of men, especially the sexual organs like the penis and testes. There are always exceptions, though, like women eating other girls.

See also: Femdom
Cannibalism
Eunuch
Castration
Penectomy
Female
BDSM

A casual invitation / threat used by an individual that is not afraid of fucking someone up.