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1.
The moist residue left on a window after a cat presses its nose against it. pupkus
The window of my car was filled with kitkus after my cat hopped up on the dash.
by Lexicahn February 23, 2011
 
2.
The moist residue left on a window after a cat presses its nose to it. (Based on pupkus, the same residue left
by a dog.)
There was so much kitkus all over the truck window that I
would not let my cat ride with me anymore.
by Lexicahn February 12, 2011