1 definition by William David

Top Definition
A sexual act involving peanut butter, and bird seed.
You pack your butt with a mixture of peanut butter and bird seed and then bend over and hold open your butt cheeks in a place where birds like to go. This allows birds to eat out your ass and feels really good.
Dude I went out to the park yesterday and got a great costco.
by William David February 25, 2008

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