When something is soooooo gnarly it has balls. You know ones that are round. It means super gnarly.
When you thrashed the lip of the pool it was gnar balls!
by sctso May 08, 2003
1 more definition
pretty insaneo, more intense version of gnarly.
you banged 9 chicks in one night? gnarballs!
by mah January 06, 2005