adj., n.: short for retardation. connotation of being absurd, silly, or ridiculous.
Background: Derives from a sentence uttered in Cody Banks: "My name is Banks, Cody Banks"---- "My name is ation, Retard Ation."
A: "I can't go to the show with you because I got grounded."
B: "Ation! That sucks...."
The property of being 'at' some event.
I was not 'at' the lecture today. I could not establish any ation.