Hagrid's Buttcrack - A giant butt crack that Hagrid uses to scare little kids and

A giant butt crack that Hagrid uses to scare little kids and also to swear like a sailor on a stormy sea

I saw a spider. I screamed, 'Hagrid’s Buttcrack!'

He ate 100 sausages. I said, 'That’s Hagrid’s Buttcrack!'

My dog ran away. I yelled, 'Hagrid’s Buttcrack!'