Breaking in pants from Grandpa

Dad had to come to Rock Springs the other day for parts for his truck and stopped by to visit for a while. He brought Kooper a pair of pants that he picked up at the thrift store. I put them on Kooper to see how they fit, and not to mention I just changed his bum before Dad got here. He wasn't in them more than 10 minutes before he pooped in them. Dad said to him "breakin' in your new pants huh!"