hairy butterfly - A hairy butterfly is when your butt is so hairy, you could u

A hairy butterfly is when your butt is so hairy, you could use it as a brush for your dog’s fur.

My brother’s butt is a hairy butterfly. I used it to brush my dog. Now my dog smells like his arse.

She called her butt a hairy butterfly. I asked if I could use it to clean my socks. She said no, but I did anyway.

He said his butt was a hairy butterfly. I used it to scratch my back. Now I smell like a gym sock.