a humbug - A huge fight between two groups, like when your best friend’

A huge fight between two groups, like when your best friend’s cousin’s group shows up at your lunch table and starts yelling.

My rival group showed up at the pizza place. We had a humbug. It took three pizzas and a soda to calm it down.

My brother’s gang had a humbug with my cousin’s gang. The whole park was chaos.

I got into a humbug with my neighbor because he stole my chicken.