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An act whereby an individual utilizes stealth and cunning to steal a passerby's towel while in a shower. The next step involves masturbating to completion into the stolen towel and placing it back, undetected, from whence it came. The victim will find themself unknowingly massaging their body with semen.
Dude, I totally just gave Bucket the Sticky Ninja.

I smell oddly fishy and salty. I think someone may have given me the Sticky Ninja.
by Spike Lizzle December 15, 2013
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