What is You Know You're Cool When?
1.
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:
1.
Derived from the term 1337 h4x0r and is used to define one as cool.
Lacking in heat or cool.
"Oh Man, your a h347 14x0r!!!11one1t..