Originally referred to the governor on old steam engines that had two ball that rotated across one another that would control speed depending on how fast they spun. Balls out meant going full speed or power.
by tradesman November 21, 2003
by skrilla June 17, 2003
Old timey terminology: on steam engines, they had steel balls in there that resricted steam flow. When the conductor was ready to pick up speed, he'd yell "Balls out!", signaling the help to do just that, thereby letting them haul some ass.
by Dutch Grosse September 29, 2003
Its Friday nigga ball out
by KingTX April 7, 2020
Holy shit, the football team scored a point under a minute on the 4th quarter! The other team has no other choice but to go balls out, dude!
by Alphadestrious January 3, 2004
by better than tessa September 5, 2011
by Rolls A Lot May 6, 2005