Top Definition
A type of sexuality where one participates in nearly all sexual acts, except intercourse. Individuals of this lifestyle are willing to "do things" up until a certain point, but never cross that line or axis of actual intercourse, much like how an asymtote is a curved line that increasingly approaches and axis, but never cross (or penetrate) that line. Mutual masturbation, fellatio, cunninglingus, etc are all fair game, but one's virginity is maintained.

Also called Asymptotic Sexual.
Because of her stance on marriage and sex, Dana won't have sex with her boyfriend, but she will do just about everything else. She is asymsexual.
by ProfessorOtter December 01, 2013

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