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1.
Crazzy drunken asshole with long black hair.

beer
man tim tim was such a wambat last night at that marissas house!
by Heyd March 12, 2008
 
2.
A form of masturbation done by a male that is morbidly obese. Similar to having a "bat", a "Wambat" is a bigger or fatter version of this. It must involve a very large individual that is massively over weight.
He had a Wambat.
I'm going to go to HJ's then go home for a Wambat.
He's talking Wambat again.
by Bombers2003 November 05, 2013