ga-boi - A Jersey-Italian-Jewish way to yell at someone like they're

A Jersey-Italian-Jewish way to yell at someone like they're a bad kid who didn't do their math homework.

'GA-BOI! Why you gotta be so ugly? I'm gonna have to beat you with a chicken leg!'

'GA-BOI! You're worse than my cousin's ex who thinks he's a rapper!'

'GA-BOI! I'm gonna make you eat my grandma's lasagna and you're gonna love it!'