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.
by Ol' CB August 5, 2010
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Opening the Umbrella
• opening the advent calendar
• Opening the Dill Door
• Opening the Fridge
• Opening the fridge door
• Opening the Hoover Dam
• opening the yak
• The Opening
• Tracheostomy is a procedure to help air and oxygen reach the lungs by creating an opening into the trachea from outside the neck. A person with a tracheostomy breathes through a tracheostomy tube inserted in the opening.
• The Grand Opening