(n.) One who attempts to steal a girl from the guy hitting on her by talking shit on said guy. The two guys are generally acquaintances.

(v.) Gashing- The act of being a gasher.
(n.) "yeah man, he started talking shit on me when I walked away to grab a drink. He was a total gasher!"

(v.) "Are you gashin' me man?"
by Brlvg5 April 24, 2011
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"Fanny Gasher" is the perfect phrase to describe when a friend finds out about a clip on Snapchat they werent supposed to see and spreads what they saw minutes later.

It could also mean a male who claims to get a ton of vagina in his spare time, to witch your reaction is quite sarcastic.
"I heard she shoved a toothbrush up her g-spot the other night."
"What a real Fanny Gasher."

"To be honest he's a bit of a Fanny Gasher."
by Fannygasher16 June 12, 2018
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Talking shit to someone, making them feel like nothing, usually they’re a mug.
Terry- “she’s a sort

Mike- “you’d shag anything Terry
Terry- “Mike why ya giving me gashers”
by wordgiva11203 February 26, 2021
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