I'm gonna tan your hide - This is when someone is going to give you such a hard spanki

This is when someone is going to give you such a hard spanking you’ll think you’ve been hit by a truck full of angry squirrels.

My dad said, 'I'm gonna tan your hide,' because I drew a mustache on his face.

My teacher said, 'I'm gonna tan your hide,' after I used the whiteboard for a snack.

My brother said, 'I'm gonna tan your hide,' because I ate all his candy.