1. When an athlete of great ability blows in the big game.

2. When an overwhelming favorite losses badly.
"Man, I can't believe Michigan lost to Appalachian State, they definitely went Bitch Gannon."

"After winning the league MVP, Rich Gannon became Bitch Gannon and threw more touchdowns to the Buccaneers than to the Raiders in the the Super Bowl."
by Alex Wilson Mother Fucker September 06, 2007
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Dylan Gannon is a bloody spaz who likes looking at boats, bikes and cars he also gets pissed off sometimes and starts hitting people
seamus: hey dylan look at this boat exhaust wow

Dylan Gannon: fuck off seamo
by John coll November 05, 2019
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Gannon is a stupid gay fucker. He is gay af and has the smallest dick ever.
"Who's that dude?"

" that's Gannon. He is gay af."
by Stvears22789 May 28, 2019
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a gay ass faggot who thinks he's cool because he hangs out with a dude with a fucked up hairline and another dude who is as coordinated as a tree, Gannon's are also very freakishly ugly
Gannon is a loser but he hangs out with people who have clout, so he's not as big of a loser.
by happy_not_happy February 24, 2018
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He is ugly . A player . A red head . He had no balls . He Sucks dick. He is a lier
Gannon do you have a girlfriend ? Him no

His girlfriend calls . So we don’t date now .
by You won’t known February 03, 2019
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