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1 definition by Lennon Dyer

a word formed by saying 'wall ass' really fast. wall ass, of course means a booty that doesnt have any shape, definition, volume, or ,most importantly, jiggle. the term 'wallace' is useful in the company of teachers, parents, or tattle tales.
Damn, look at that girl, dude, she is a 'wallace'.
by Lennon Dyer October 26, 2007