Top Definition
The visual result of stacking unclothed females, stradling eachother (face down) to produce a tower formation in preparation for a 'clusterfuck'.
Bill: "I watched a film called clusterfuck the other night, those girls were one hell-of-a Stack of Ass!"
#clusterfuck #ass-stack #ass-pancake #rack'n'stack #ass mountain
by t.j.a April 01, 2009
5 Words related to Stack of Ass
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