This is the fucking waste of a person in the locker room or in the showers usually on a hockey team, who when in the shower stands up against the wall to hide his small penis. he is a homo...fuck the wall grinders.
Wow did you see that wall-grinder in the shower?

Kid you are a wall-grinder.

WOW brett hayes is a complete wall grinder.
by Wake n Baker December 11, 2008
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The act of inserting the claw of a coat-hanger into a women's vagina, turning it sideways and ripping it out as fast as possible.
Dude 1: My bitch is looking for a new way to experience pleasure and pain at the same time.

Dude 2: Have you tried the Red Wall Grinder?
Dude 1: Oh shit no, ill do it tonight.
by MrMull October 30, 2011
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