1 definition by Nalio

A very versatile word, mostly used as an adverb for anything in any situation.
See: Fuckin
Not to be confused with Ballin
"Man, it's ballsin cold in here, turn up the heat!"
"What the hell is on your ballsin head?"
"What's that ballsin smell?"
by Nalio May 7, 2007
Get the ballsin mug.