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A coconut smasher is the supreme leader of boners. It is what you get when your penis is hard enough to smash an actual coconut.

Caution: Using a coconut smasher for dick slapping maybe harmful for your bitches.
Buster: What is that bulge on Thad's crotch?
Me: Looks like he is getting a coconut smasher. He always gets one while watching Top Chef. Padma owns him.
Buster: Damn! I hope his boo is not into clitoral slapping.
by spicyboss June 18, 2017
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