Coined by a popular dancehall song of the same name about lighting your boyfriend on fire after he cheats on you or abuses you.
Can be used in any situation to express dislike in a person, place or thing.
Derived from the patois word bun which means to literally light something on fire.
Gyal 1: Mi man be cheatin, weh mi muss do gyal????
Gyal 2: BUN HIM!!!!!!!
Mike: Man.. my mom won't let me go to the jam tonight..
John: Ah fuck that, bun her!!
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