A piece of cloth used to clean up ejaculate after masturbating. Also known as a cum rag.
Nope! Don't wear that one, don't even pick it up! It's not really a shirt, it's a cookie sheet.
A name for a man so extremely hot and sexy that you could bake cookies on his chest, thus using it like a cookie sheet. By the way, this person would be so hot that the cookies would just melt right off.
1. That guy playing basketball over there without his shirt on, ohhhh he's a cookie sheet.
2. The man with the flub hanging over his pants is totally not a cookie sheet!!!