Hagrid's Buttcrack
A magical crack in the butt of Hagrid, used when he's really mad and wants to curse you into next Tuesday
My math test was a disaster. I called it Hagrid's Buttcrack.
She failed the spelling bee. Her teacher said, 'That’s Hagrid’s Buttcrack!'
He dropped his giant beetle. He yelled, 'Hagrid's Buttcrack!'