Top definition
1. Overtly and possibly excessively enthusiatic.
"Rover was freakin' balls on for the lamb shank; he'd practically dry hump the thing while chewing on it."
by dinobuddy December 22, 2006
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2
exactly acurately placed
I'm tellin' you, that foundational wall is fuckin' balls on.
by r.a. lipman February 19, 2004
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3
Adjective

Agressive and edgy. Badass. Balls on board; as in full of testosterone. Pronounced with the stress at the word "on" as in "Balls ON".
He: "I finally finished fixing the rear main seal on my '76 Chevy K20 with a big block 454 engine - wanna go for a ride?"

Me: "Man, this truck is balls ON!"



"Hey, did you see Janie's new full-back tattoo? Her ink is balls ON!"
by MuddyRunnerGirl March 09, 2009
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