What is Clam Shell?
1.
In Skateboarding... When trying any trick, ussually a flat ground trick, the skateboard gets "tangled" in ur feet with one foot on the ground and the other on the top of the board.
"Damn dude I keep getting clam shells today!"
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Random Words:
1.
A sexual act where when a male is having sex with a female on the beach, pulls out, rubs his member in the sand, and then slides it back..