Someone who masterbates in an office restroom.
DS: Dude I walked into the bathroom and heard moaning and this terrible popping sound like pulling your cheeks really fast.
BK: Must have been a stall stroker. Did you see who it was?
DS: Nope, just saw black boots under the stall and got the hell out of dodge.
by Shirazamatazz March 4, 2014
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