Definitions by Ol' CB
Opening the Umbrella
The act of masturbating under your blankets. "Opening the Umbrella" refers to the similar movements and look of someone opening an umbrella.
1. Jim: Dude, I just caught Billy opening the umbrella in his bed!
2. Earl: Oh! What are you doing there?
Steve: Nothing. Just opening an umbrella under here.
2. Earl: Oh! What are you doing there?
Steve: Nothing. Just opening an umbrella under here.
Opening the Umbrella by Ol' CB August 5, 2010