1 definition by SnookieBB

Top Definition
LucFist is the act of a boy/male/man getting lucky (luc) and being able to fist a girl, since girls do not normally allow that to happen, it does not necessarily constitute having sex, it could just be an event/situation of fisting that occurs between the man and the woman.

A person who lucfists or is known as a "lucfister" has a notorious reputation for being "the man" because most guys never succeed in being able to fist a girl.
Holy crap man, Steve and Lucas are notorious for the lucfist, no one scores those kind of women like they do.
by SnookieBB January 18, 2010

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