A term referring to the rotating governors used on steam locomotives and related steam engines such as tractors. The brass balls acted as weights on the end of linkages, and rotated with the increase in RPM of the engine. As speeds rose, the balls swung outwards, rising on the linkages. At a pre-set height, the release valve would engage, lowering steam pressure and reining in the RPM to the allowable maximum. The balls rose towards the firewall and/or the walls of the cab., hence the term.
The Union Pacific Freight roared across the Kansas night, balls to the wall.
by Larry Grosfield May 29, 2008
givin it all you got
by Anonymous November 02, 2003
When you take a risk, or doing something that you normally would be not inclined to do; doing something dangerous some may see as foolish or 'crazy'; just doing 'it'
When crossing a busy street to meet his friends, Ian saw a truck coming at him at a high velocity, instead of stopping and waiting for the truck to pass by, Ian decided to go balls to the walls and cross the street anyway, impressing the friends he was trying to catch up with.
by Omega_Pirate December 26, 2006
an exclamation meaning when your balls are stapled to the wall and you use it when you are in great pain or very angry about something.
Guy1: did you study for the test!
Guy2: balls to the walls I forgot!!!
by Biff the cliff December 23, 2015
When your balls are on the wall because they were stapled there. Used in anger
Jimmy: hey Tim did you study for the test
Tim: Balls To the Walls I forgot
by Biff the cliff December 23, 2015
It's all or nothing. There is not turning back. Reach down, dig for the biggest pair you can find, and go!
Okay Ted, there are close to 15 guys behind those hedges, and two of us. Balls to the wall time. Lets go.
by Regainer May 16, 2011
When you are having sexual intercourse and your fully penetrating the Vagina and your balls are hitting "the wall" or the woman's ass.
Man I heard Jacob went balls to the wall with that chick from the bar last night.
by The Aloha Snake January 16, 2014

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