One shirt
What you call a guy that only wears one shirt to work
Hey one shirt, great to see you have washed but not ironed again foray.
Number One T-shirt
sexual act whereby a man with an unwiped, freshly shitty ass titty fucks a woman leaving the doo-doo residue on her abdomen thus providing her with a number one t-shirt.
dude, she was so drunk she asked me to give her a number one t-shirt before i strawberry shortcaked her!