Top definition
A swift slap to the forehead using one's penis.
If you don't give me that ice cream, I will shpap you silly.
by Jeff February 15, 2004
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The vengeful act of crapping on a lover's chest while they sleep.

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2
The sound your dick makes when you slap someone across the face with it.
"We sh-papped 'em!"
by RANKLANCER June 28, 2009
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Soft and offensive. Just like you.

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