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1 definition by patman!

 
1.
A pile of mostly hairless mammals, pink or flesh tone in color. Usually resulting from a domino effect wherein one person jumps on top of another during a moment of vulnerability, then another on top of them and so on. The pile grows until the squealing of the poor soul on bottom grows to a fevered pitch and the pile crumbles apart.
Quick, jump on to that pig pile.
by patman! July 27, 2010