An unbelievably gigantic penis, hanging down to ones knee when flaccid or semi hard. Only the biggest of dicks earn this prestigious badge of honor.
Girl: did that guy you hooked up with last night have knee meat?
Girl 2: yeah... that thing beat my poor little kitty for hours
Girl 2: yeah... that thing beat my poor little kitty for hours
by Cmoney20 April 10, 2017
Him: Hey Check out my huge knee knocker
*Pulls down pants*
Her: Oh my its so big
knee knocker is a large erect Penis that is above 8 inches
*Pulls down pants*
Her: Oh my its so big
knee knocker is a large erect Penis that is above 8 inches
by YT- Landonb December 23, 2018
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