Slang used to describe females who completely and utterly lack all necessary feminine characteristics. This pathetic state is usually achieved by an over-indulgence of emasculating products and/or ideologies.

The average soy girl is a tomboy, nonathletic, has never been in a fight, will probably marry the first guy that has sex with her, and likely reduces all his arguments to labeling the opposition as "Nazis".
by Bedoof May 11, 2018
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A person who continues to wear a mask even though daddy Jason Kenny said they don't need to anymore
Look at these soy boys/girls wearing masks in costco
by Numblenore March 9, 2022
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