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#
Definitions by Chris "Backstreet" Massaroni
bumknee
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The act
of sliding one's penis
in between
the back
of a bent, sweaty, knee.
This bitch
gave me the craziest bumknee after her
workout
...
Amazing
!
bumknee
by
Chris "Backstreet" Massaroni
April 29, 2011
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