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When you wet someone's chair in two phases. Phase one is the seat when the victim is away from their chair. Second phase is when the victim is away from their chair and recovering from phase one and the seat back is doused with liquid.

You can be either the giver, recipient or observer of a Kopke Surprise.
I conducted a Kopke Surprise for Dan the other day, he was so mad at first getting a wet bum, then a wet back.

I was the victim of a Kopke Surprise. I'm wet all over.

I saw a Kopke Surprise in action the other day, it was amazing to behold.
by Arsebadger May 05, 2014
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Jun 17 Word of the Day
Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.
Soundcloud Rapper: Check out this link, realist in the game!
Social media feminist: Women have a voice!!!! #Brave
Normal Human: SHUT UP CLOUT DEMONS!!!
by DebSlave June 03, 2018
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