1)A lad who sticks his cock up a chicks vagina so far he moves or "shifts" her kidney

2)The Original Kidney Shifter "honz" from the oz hip hop group 'Funkoars'

Jaymos - "andy just shifted that bitches kidney"
Josh - "mad props"
Kierren - "NOOO i'm the orignal kidney shifter!"
by AndyOne October 11, 2007
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"What do you reckon to that new guy Benny?"

"Fuckin kidney shifter in't e"
by Dr. Sven May 20, 2006
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