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Short for "J Halp Be Out". Named after one of the fastest beings on this planet, J Halp, the expression "JHBO" is used when leaving a scene quickly. It can be used in many different instances, from fleeing a crime scene to exiting a boring Bar Mitzvah.
Ray: "The house is on fire, J Halp be out!"
Frank: "Yeah, we better JHBO!"
by skaw-T-2-haw-T December 29, 2011