Top Definition
Sociopath. Will lie/cheat/steal anything he can for absolutely no apparent reason. Known for staying up all night and releasing bowels once a week. Pathological liar of the worst kind that has the ability to prolong the life of a toothbrush for 10 years at a time. Also known as Rat, or THE Rat, or POS.
Person A: John, why is Tim being such a sneaky lying bastard lately?
Person B: He's pulling an Ansuman I think.
by Lalamela November 03, 2010
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