mad bad - A short way to say you're mad because you're bad at somethin

A short way to say you're mad because you're bad at something, usually used in games when you lose and want to yell at someone.

I said ‘mad bad’ to my friend when he beat me in the game.

I said ‘mad bad’ to my brother when he got one hit and I died.

I said ‘mad bad’ to my cousin when he beat me and I got a D.