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to fuck, bone, smash. Basically to have sex. When you massack someone it is hardcore.

Massacking is what makes living beautiful and enjoyable. It reduces stress, depression, and even anger. Massacking is also known to decrease high blood pressure and if performed correctly, can burn calories.
1.James is a pimp! He has massacked several girls at our school.

2.I want to massack that beezy! She has such a nice ass and tities.

3.The best pussy to massack are the clean, tight, and shaved ones.
by massack June 10, 2010
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