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1. mansack
A dudes balls............
Dude i just racked my mansack on that 12 stair before and then i slid on my face.
by Matt Dec 15, 2004 add a video
2. Mansack
Referring to a large area of flab on or around the midsection. From the groin to the chest.

John Lion's mansack pales in comparison to that of an elephant seal.
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