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1.
A kind of cat macro that attempts to combine a trollish caption/statement with a lolcat/Caturday-like picture. Popularized by trollcats.com and 4chan's "/b/" board.
Trollcat: "Holocaust? Never happened."

Trollcat: "Racial stereotypes may have merit."

Trollcat: "Evolution is just a theory."
by vensinio June 17, 2009
 
2.
One who trolls extensively on 'Omegle' and takes the act too far. You are classified as a 'trollcat' if you spend more than 1 hour leading on the same person with 100% lies.
I totally led some pathetic dude on Omegle for 2 hours. He thought I was a horny 13 year old girl! LOL, you trollcat!
by No.1Trollcat November 06, 2010