Used to describe a selfish person. Commonly used by navy machinists. If a person goes to a vending machine and doesn't ask anyone if they want anything.
"Hey shipmate, how's the soda?" Thank's for not asking me if I want anything. Fuckin' check valve."
"Hey look at that nub over there eating McDonald's. I'm not signing that check valves qual card."
"Hey look at that nub over there eating McDonald's. I'm not signing that check valves qual card."
by TorpMan, Submarines November 27, 2008
by Michael Palmer May 3, 2005
by Steven and the Twins December 15, 2009
by Skumpdalaump March 2, 2007
"The Source SDK will be compatible with Visual Studio Express in a Valve month or so. If we start production now, it might happen by the time we've fully modeled the content."
by Stuart P. Bentley November 20, 2005
by dumbitchhill June 19, 2009
An uncommon house hold valve for faucets that connects to the waterline. Usually special ordered, sometimes found at home depot.
by Jeff McD September 11, 2009