What is Monkeybrain?
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1) The act of showing ones testicles to someone for amusement not sexual gratitude
2) When you squueze your foreskin tightly knotting up your balls
Im gonna Monkeybrain your sister while shes sleeping
See
Random Words:
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When you cum on a girl's mouth when she's sleeping.
Shhh... stay quiet while I lay a quiet sperm on her!
See teabag, cum, sl..
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Ok, here's what you do. A girl's giving you head right, and just as you start cumming in her mouth, you punch her in the stom..