Another term for the kidneys. As some people sample urine like fine wine, a haematuria is a fine roset, a dehydrated urine is a strong Pinot noir and a diabetics urine is a moscato. So as the kidneys produce urine, they are the equivalent to the grape stomping stage in making wine.
Damn Susie my grape stompers have been hurting lately, I might have a UTI.

Or

Get him Frank, shiv him in his grape stomper.
by Batteredsav October 13, 2018
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A technique used to push feces through a drain grate, usually in a shower. When you accidentally defecate in the shower and you stomp the feces through the drain with a powerful thrust of your foot. Thus removing evidence of this humiliating mistake.
I shit in my mother-in-laws shower last night and had to pull a Grape Stomper.
by Chillosophy September 14, 2018
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