(ADJ) Short for permanent acquaintance. Someone that you chill with, but you won't really know each other.

For example, the person you meet at a party, think they're pretty cool, but find out they're crazy later. You don't want them to go psycho on you, so you keep them as a permacquaintance.
Guy1: So, are you and her hitting it off?
Guy2: We did, but she's crazy. I'll keep her as a permacquaintance.
by The242 October 12, 2007
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