Top Definition
When the surf is to epic to paddle in for a restroom break and a surfer needs to shit he pulls down his/hers boardshorts, leans over their board and pinches off a fat turd. It is customary to only drop peanut sharks a minimum of 100 feet from other surfers and never on the inside break so it is not to smack other surfers in the face when paddling out.
1. Hey bro look out, peanut shark on the inside!

2. I saw a beached peanut shark on the shore today.

3. I totally just ran a gnarly peanut shark over.
by KillaDilla November 20, 2010
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