A way of saying "TAKE THAT JACKASS"
I don't like you anymore, SO THERE...
eager to attend or visit (some place or event).
also expresses agreement with another person that a place or event should be gone to.
-We're having a big ass tailgate party at the game. You're invited.
-I'm so there.
-We should check out Finnegan's party. I heard they always end up playing strip pool there.
-We're so there!