noun
General Slang
18+
gyno
GUY-no · noun · slang
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May contain explicit language some viewers may find offensive. Intended for adults.
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gyno In A Sentence
Origin & Usage
Clipping of 'gynecomastia'; a well-known steroid side effect discussed on bodybuilding forums.
People Also Ask
What does gyno mean?
Gyno is short for gynecomastia, the enlargement of breast tissue in men, often a hormonal side effect of steroid use.
What causes gyno on a steroid cycle?
Many steroids convert to estrogen in the body, and elevated estrogen can trigger the growth of breast tissue in men.
How do people prevent gyno?
Users commonly try to control estrogen with drugs like aromatase inhibitors during a cycle, though severe cases may need surgery.
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