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1.
To suddenly shift from being warm, friendly, outgoing, and even loving, to being stand-offish and out of touch without any observable (or reasonable) trigger. Usually occurs in the early stages of a relationship.
A: So did butt-knocker call you today?

J: No, haven't heard from him.

A: Since when?

J: Since, like, three days ago.

A: What happened? He was like, totally stalking you. Did he just, like, go polar or what?

J: Let's smoke a bowl and eat some Scoops.
by JohnnyAZ May 23, 2006

Words related to go polar

aloof cold cold shoulder in absentia stand-offish