Definitions by Ub3rtuba

Oop 

Verb: The act of throwing something down a girls shirt, whether it be a small piece of paper, a coin, or a small child.

I was at lunch the other day, sitting next to one of my lady friends, when all of a sudden i felt the need to oop a quarter down her shirt.

Oop by Ub3rtuba February 27, 2009