Don't be haitian
Kind of like "Don't be hatin" -- but you throw in 'haitian'.
Girl: Oh my god, you are so stupid.
Guy: Don't be haitian
Guy 1: Dude, your cat has a flabby butthole
Guy 2: Don't be haitian on my cat
Guy: Don't be haitian
Guy 1: Dude, your cat has a flabby butthole
Guy 2: Don't be haitian on my cat