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 April 12, 2016
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to be a major tool, fag, queer

a cruncher is a person who wears hair gel cut off tshirts and flatbilled hats on backwords, and can always be found wearing oversized glasses.
brent, look at that cruncher, what a faggot. he thinks he's crunching but he's just gay.
by crunch hater 45 July 7, 2009
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A crunch may be referred to the act of masturbation or wanking
Boy1: that girl is fit
Boy2: i may just have to go crunch over her
by gablehallstudent February 22, 2010
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Eating lunch w/ some people in conjunction w/ getting wasted.

Hence, Crunk Lunch
I went over to John's house for some crunch.
by Jballintegrity December 2, 2005
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theres a rough crunching seshion going down at fuell's....bbq with a side of keg stands.
by fuell December 2, 2005
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