What is Stiff Biffy?
1.
Having a fully erect penis while wearing sweat pants.
"Dude, I got early the other morn'n and went to hardee's for a biscuit only to look down and see that I was totally sport'n a stiff biffy. The cashier called the cops when she saw the head peak'n out."
See
Random Words:
1.
When you borrow something and dont give it back.
I vankampened that dan kid out of his game.
See Chris..