Rumbl means Roll Under My Bed Laughing kinda like rofl only 200 times cooler..it's going to be famous.
Person:Dude that guys balls just smashed!! ROFL
me: no dood its Rumbl
Person: oh sorry rumble at his balls getting owned.
me: no dood its Rumbl
Person: oh sorry rumble at his balls getting owned.
by Zachary747 August 13, 2007

by Lambchops77 February 15, 2008

by darksunprofits May 21, 2012

by URtruth November 11, 2010

Old school NY brawl involving chains, bats, brass knuckles, sometimes knives and other non-lethal weapons to settle rivalries with the street gangs. Also, a precursor to driving around in a car and just shooting at random people who might be selling weed
by brassmmonkeijunki October 19, 2008

by DaBolognaKingFurmundaYaNutz February 17, 2010

by supertad July 18, 2008
