MACGAMUT!! - To let out a loud, angry yell after working so hard on somet

To let out a loud, angry yell after working so hard on something that might not even matter.

I MACGAMUT!! after writing a 20-page essay on why toast is the best food.

I MACGAMUT!! because I spent all night on a project that got a C.

I MACGAMUT!! after trying to convince my mom that TikTok is better than Instagram.