a term used for people who think they are hot shit. someone who thinks what they did is significant, by really no one gives a fuck. The phrase must be said with sarcasm or it loses it's insulting meaning.
Laquetta: oh my god Rolanda I just found a penny on the ground!
Rolanda: well aren't you a mega cool bitch
Rolanda: well aren't you a mega cool bitch
by the original kellyfornia February 08, 2014