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1.
a cock that is so long that it shifts the inernal organs when you plunge it in and out
dude, i stuffed my kidney stroker so far up her cunt that I pushed her guts into new locations
by bartow joe February 25, 2005
 
2.
A homosexual gentleman.
Put your tit's away love! I'm a kidney stroker.
by Phil Nurse September 05, 2003