A person whom instantly shuts down any
party or the attempt thereof. A
true Katten
may also strictly oppose, prevent, or shut down any other fun activity.
Bjarne: Are you up for a
party tonight?
Espen Reidar: Sure, as long as Katten doesn't show up and ruin the
party.
Bjarne: This
party is the greatest.
Espen Reidar: Wtf, Katten just arrived and killed our party.