a fat ass. each time u add "a doonk" to it that means it gets bigger and bigger
good god almightly! girl u got a badoonka doonk, dont hurt nobody!
by $pazz April 06, 2003
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ddddddaaaaaaammmmmmmmmnnnnnnn yo that bitch got a hella badoonkadoonk
by Kasper March 28, 2004
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