Bipolar friend

A friend who will hang out with you, and you will genuinely get along with, but when they're given the chance to gain some popularity will suddenly not be your friend anymore. may even bully you if necessary.
bipolar friend: "HEY! what's up? how've you been??"

Normal friend: "Not much, how about you?"

(another person walks by, presumably popular)

bipolar friend: "Uh, i don't know, why they hell are you talking to me? dumb ass.

Normal friend: "Your such a bipolar friend. go f**k yourself."
by Feely7 February 13, 2011
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