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when fucking a chick(missionary preferably), insert your balls(nuts) into the chicks ass.

Can be done easier if is a warm night/day and chick recently just took it in the ass.
After railing jill in the ass i laid her down and gave her the dirty squirrel.
by J-with March 29, 2008
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5
A man who likes "eating" another man's nuts
Dude, look how big of a Homo he is. That guy must be a Dirty Squirrel.
by THE OG OG MUDBONE December 28, 2015
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