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
3 more definitions
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
someone killing people while the killed one is eating
-grwns, gwsrfewrfds OH NO A CERIAL KILLER AAAAAAAAAHH!!!
by erik June 27, 2004