Top definition
To work out, especially to lift weights.

Mostly a California bro expression, brought into the public eye by Will Ferrell in "A Night at the Roxbury".
Doug: So...I guess we're on a break from work.

Steve: Uh, yeah, looks like it....

Doug: Wanna crunch it?

Steve nods purposefully and the two men strut off.
by Emili000000000000 June 14, 2016
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