1.) The girl hanging out in a group of all males (usually within an 18-26 year old age group). Also referred to as a cool gay guy with tits and long hair.
2.) A girl who is so extremely cool that it is often impossible to hear her consistently clever and witty comments over the sound of the awesome radiating from every fiber of her being.
3.) A person who is the topic of an exceptional number of funny stories, to the point that other friends may think she doesn't, in fact, exist. May be considered legendary.
Damn, The Steph. You're the coolest girl ever. I'm buying you a pizza!