Top Definition
Chumformation: The act of regression to a lower life form and transformation into a fat slob and mooch; Chumlee from pawn stars doppelganger
He used to take care of himself, but after his chumformation he looks like a "Best-of People of Walmart" contender. How does one let their hair get sooo naturally oily?

fat fuck
by Potakii March 13, 2014
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