A word derived from Jamaican slang and dancehall music -refer to macka diamond and blacka song "bun him"\n\nIt means if your boyfriend or girlfriend has cheated on you, you should do the same.\r\nIf bf/gf has given you "bun" or you are interested in giving gf/bf "bun" it simply means to cheat on them.\n\n*the right definition*\n> Girl: Mi caan believe mi man gimme bun wid dat dutty gyal Sandra\n> Girl 2: My girl nuh cry bout dat but nuh "bun him" bac jus gi him di bakery and dun\n> - simply meaning don't just cheat on him might as well get pregnant while your at it =D\n