a person who constantly thinks up, writes or tweets lies about their sex life. usually a neglected child who'll think up anything to spice up their life, but are too thick to know when the game's up and spot that people see through their bull.
OMFG! that derek's such a congenitalia liar! he's been on facebook all night lying about his conquests! he's never pulled anyone!
by gomble April 23, 2011
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