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To calm ones self down. One may be told to 'settle their kettle' when over reacting, getting excited, or being a douche bag.
Girlfriend: "You totally just eye fucked that bitch!!"

Boyfriend: "Set the Ket"


Ralph: "We're down by three with six seconds left!"

Cornelius: "Dude, Settle the Kettle, its the second quarter."
by Peggy Sterkaloats November 12, 2009
To complete the task at hand without fuss.
"Can we please settle the kettle? I really want to eat now". Or He just settled the kettle. We do not need to work on it anymore.
by Nackal919 August 23, 2011