Definitions by Aggyman Irie (yes langston)

Jimmy 

Originating in Thornbury, Bristol. To Jimmy is to mong out, vomit, pass out, miss an opportunity, perform badly, or not make the most of a situation.

A Jimmy is someone who consistantly lets themselves or the team down by not possessing the skill, stamina, courage or drive to complete a task/fulfill a situation.

Kid A: "Yes blud, is Darren coming out tonight?"
Kid B: "Nah mate, he's a Jimmy"

Jimmy by Aggyman Irie (yes langston) October 7, 2006