a nicer way term for someone's ass/behind
mother: Evan, please get your sit-upon off the floor, I can't pass with the laundry basket; you're in the middle of the bloody hallway.

Evan: go back to your cave. Can't you see I'm playing transformers?.
by Sexydimma May 18, 2012
Get the sit-upon mug.
a nicer way term for someone's ass/behind
mother: Evan, please get your sit-upon off the floor, I can't pass with the laundry basket; you're in the middle of the bloody hallway.

Evan: go back to your cave. Can't you see I'm playing transformers?.
by Sexydimma July 5, 2012
Get the sit-upon mug.