Top Definition
When you fill your ass with ball bearings, and then your friends, or work colleagues if your in the office take turns to kidney punch you. For every ball that comes out you get a point, person with the most points wins. If a follow through occurs, the game is re-started.
Anyone for ass kerplunk, i got some malteasers left over from christmas...
by Greg 'Ol', Bailey January 24, 2008
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