Madafakat
It’s when you’re so happy and so mad at the same time you just yell 'motherfucker yes really' in one go
She said 'Madafakat!' when she got her driver's license and her mom yelled at her.
He texted 'Madafakat!' when he got a free pizza and his friend got none.
He yelled 'Madafakat!' when he beat his dad at chess.