Top definition
Also known as buttzilla, this shy creature does not emerge in daylight. Often haunting the dark corners of IMVU, a rennifer will leap out at unsuspecting losery men and violate them. Skinny Asians are at a particularly high risk. Deeply terrified of anything up to and including its own shadow, a rennifer is often scared into submission.
Oh no, Rennifer is destryoing Tokyo!
by RhoVII March 22, 2008
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