The Gyno who laughs is a famous phrase that stims from two or three sources depending on how you look at it. First Gyno comes from the famous defect known as Gynecomastia commonly shortened to just gyno in which males will suffer from enlarged pockets of fat that take on the appearence of tits also commonly known as man tits. The second part comes from the famous comic character the Bat Who Laughs who is pretty much an evil version of the very famous character Batman. The third part may come from a guy named Ryan who suffers from gyno and has the bat who laughs skin on fortnite.
"Bro today I saw The Gyno Who Laughs and he infected me with gynecomastia."

"Dude thats impossible gynecomastia isn't something that can be spread from population to population."
by sir fart bottom III December 9, 2022
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An oppressive Gynocentralized political and legal system. Any political or legal institution that passes and enforces laws that specifically benefit or favor the female sex over the male, while at the same time fully understanding that these laws oppress Men, and relegates them to the status of a second class citizen in the eyes of the law.
When it comes to the Gyno-Judicial system... There are over 151+ Laws that circumvent the Constitution that specifically benefit Women... There are zero for dudes. - Terrance Popp
by BF42TH September 30, 2018
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The tunnel, the fanny, ya know, the va-Jay-Jay
Vinny started fingerbanging Lisa’s gyno grommet hard at the movies last night, they almost got thrown out
by Mr Puffy October 23, 2023
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The scientific Latin version of Womansplaining.

It's basically the opposite of mansplaining.

A woman explaining something or anything in a condescending way to a man.
This woman accused me of mansplaining. She proceeded to use Gyno-splaining against me. I told her "I didn't know I was speaking to someone with a mental illiness..." Then I walked away.
by Lurrtopia August 20, 2022
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A guy whose look, appearance and/or mannerisms are so repulsive to females that his chance of having sex with one is nil.
by blivet May 26, 2009
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