J-Bro

A guy with a disproportionally large ass. More commonly known as runners butt.

That dudes ass looks way out of proportion compared to the rest of his body. Thats what I call a J-Bro. Dayumn!

by Redlantrn July 8, 2009

J Bro

Super awesome computer nerd who loves riding his bike on Thursdays and has freakishly long legs.

See that J Bro over there on his bike! Man, he sure has some long fucking legs!

by Cali Halcy March 22, 2009

J-J-BRO

A word used when one is departing a place or situation. The phrase is an acronym for Jet, Jam, Bounce, and Roll Out.

Man, this party sucks... lets J-J-BRO!

by Erin Baker April 2, 2007