1 definition by Pat Eberhart

Someone who loves cereal so much they don't even wait for it to come out of the box before they gobble it up and don't let anybody else have any.
You tell Johnny the next time he comes over here after school he better not act like no cereal killer.

This kitchen looks like it has been hit by a cereal killer.

Wipe you mouth an stop actin' like you wuz da top ramkin' cereal killer.
by Pat Eberhart June 14, 2006
Get the cereal killer mug.