a happy raindeer
Your dad tries to be festive, you ignore him, and then he ends up with a tree up his rear end.
Dad: 'Be Santa, please!' Me: 'No way.' Dad: 'Why?' Me: 'Because I left a tree up your ass.'
He was so mad he ran after me like a madman, only to find a tree up his back.
He followed me outside and I laughed when I saw the tree up his ass.