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Top definition
Knuckin the 'B'
Going
atleast
one
knuckle deep
into a
butthole
. Preferably done to the opposite sex during intercourse.
Dude, while I was
railin
that chick
out last night.. I started
knuckin the 'B'
and she loved it!!
by
HBK and JIMMY
May 08, 2010
Get a
Knuckin the 'B'
mug for your dog Manafort.