What is You Know You're Cool When?
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Used as an expression when someone does something so randomly stupid its funny. its sort of like, the action is the word after the "u know ur cool when" so "u know when ur cool when (you've peed in a can)"
guy:i just peed in a can
girl:You know you're cool when
Random Words:
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When one shaves their pubes leaving a narrow strip of hair in the middle of their groin undisturbed. Its the man version of the landing ..
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If you are a guy, something much worse than a tornado.
That little twinkleberry gave his best friend a mister twister.
See prankster, ..