to ride by a group of people with rap music really loud so that they will think you are cool because your speakers are bumpin'
Jenny: "Damn did you just see those really cool guys ride by with that hot music blaring?"
Sammy: "Hell yes I did, they were totally doing a bump through"
Jenny: "what is a bump through?"
Sammy: "shut it, your a stupid cunt."
Sammy: "Hell yes I did, they were totally doing a bump through"
Jenny: "what is a bump through?"
Sammy: "shut it, your a stupid cunt."
by yobabydaddybia March 28, 2007