A very skinny effeminate man. The type of guy who would be a bottom even if he were straight.
Hey Josh I would like to purchase one red whippin shittys mobile for 1.5 soy boi's, Take it or leave it bitch.
by lippy282 August 03, 2018
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A genderqueer or a feminist lesbian who is a militant vegan/vegetarian.
Sadie's such a soy boi that she eats leg wax.
by smccarney February 16, 2008
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What a boy learning Spanish says trying to describe himself when he doesn't know the Spanish word for "boy".
Spanish teacher: "Can you say 'I am a boy' in Spanish?"
Boy: "Okay. ¡Hola! Soy boy."
Spanish teacher: "Actually, 'boy' in Spanish is 'chico'. And you should also add 'un' before."
Boy: "Okay. ¡Hola! Soy un chico."
Spanish teacher: "Much better"
by udusers1 February 06, 2019
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The person writing any definition for this word which contains the words "alt-right", "Nazi", "conservative", "fascist", and devotes every day of their miserable lives to postmodernism. They can be commonly found on the slang-dictionary site, UrbanDictionary.com, karma bombing any post that their fragile boypussy can't handle. Commonly connotated as "cucks", although such a comparison isn't always accurate, as many soy boys are actually SIMPs, who follow the charade of third-wave feminism just for a chance for a smidgen of pussy.
John: Hey, Frank, did you see that submitted definition for soy boy?
Frank: No, they must have karma-bombed it to page 69.
John: So much for fragile masculinity.
by heeI February 23, 2020
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You know the way annoying American liberals call people Nazis?

Soy boy is the American conservative version of that
"Stop having different opinions to me you soy boy beta cuck!!!!" ("postmodern neo noonist tychocratic proto space marxist" if they are a Jordan peterson fan)
by Donna tramp January 14, 2021
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A boy that is entirely comprised of soy in some form- whether they're made of soybeans, soy sauce, soy milk, etc.
Doesn't matter what variety of soy they are as long as they are made of nothing but a soy product.
That absolute soy boy, Jim, is just a walking puddle of soy sauce- don't know how he's even alive, honestly.
by VanillaNilla August 10, 2019
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A man with a dire need to grow a pair and also way too brainwashed by the feminist left to function as a natural male. Characterized by beta-male hierarchical mindset, extreme tolerance for significant other's bullshit, faggy appearance, and pretensions of being tolerant and "civilized". Just as the name implies, won't eat animal products, mainly because someone else forbids him to do so.
Psychologist: Sorry they call you a soy boy so often Mr. John Oliver. I'm going to refer you to Seth Green and Trevor Noah's therapy group.
by Horizon Motel February 09, 2018
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