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The person who is wanted for the murder of such people as Tony the Tiger and the Trix rabbit.
I know there is a cerial killer on the lose when i see a leperachan drowned to death in milk and is imprisoned in melted marshmelllow! beware all iconic cerial mascots! you may be next!
by oh noez!!!!!!! September 17, 2007
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

by Billy Chickenhole September 15, 2007
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somebody who's so fat he probably eats every breakfats cerial on the market.
This guy's so fat, he must be a cerial killer.
by erik April 19, 2004
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someone killing people while the killed one is eating
-grwns, gwsrfewrfds OH NO A CERIAL KILLER AAAAAAAAAHH!!!
by erik June 27, 2004
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