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1.
adj.- inexplicably awesome/superior to others... god-like

verb- to completely dominate in a superior/god-like fashion

Term coined in the san francisco bay area after the superiorly dominant coaching performance of one Jim Harbaugh...
Adj...

Fred: Dude, did you see that midget completely kick the shit out of that 300 pound guy?

Ted: Yeah, that shit was harbaugh.

Verb...

Fred: Dude, did you see that midget completely kick the shit out of that 300 pound guy?

Ted: Yeah, that fool was harbaugh'd...
by Dompeezel December 10, 2011
 
2.
n. - any cheap, ill-fitting pants, usually pleated, like those infamously worn by San Francisco 49er head coach Jim Harbaugh.
"Bro, why you wearin those Harbaughs - didja lose a bet?"
by starvinmarvinpb January 28, 2014
 
3.
1) To boldly lie in the face of facts

2) To believe that the entire world is diabolical and against you
Joe tried to Harbaugh his way out of work but his boss wasn't buying it.

Max smoked so much weed he started Harbaughing
by JROCK77 June 19, 2012