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 Asymsexual.
Because Mary believes in stupid promise rings, she won't have sex until marriage. However, everything else is fair game, including blowies and anal. She is a total Asymptotic Sexual.
by ProfessorOtter December 01, 2013
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