Originated from Reggae Dancehall routine known as 'The Jonni Bax' pronounced 'Johnny Bax' after its creator Jonathan Baxfield one of Jamaica's leading dancers.
A Bax-Bomb is an explosive asshole. This term refers to a person you don't like and is synonymous with Ass-hole, Dick head, Fuckstick, Shit bird, etc. This term should not be said in a work environment or around children as many will find it extremely offensive.