1) when one dude "accidently" bumps his rump in the groin of his bro.
2) a mathematical formula for sex, not involving pie.
2) Wayne (turning to his bro) "Good, she's gone...bro bump?"
by lucifern March 17, 2007
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A mix of a hug and a chest bump that can only occur between bros of the highest tier and requires a lengthy approach to make happen.
first invented by the iconic duo Sweet Bro and Hella Jeff.
That is SO SWEET man how about a bro hug bump
by Knightly Ekcentrik April 11, 2017
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