A sick asshole, take for example: this fucker down at the cafe who knocked over MY cereal! Can you believe that? I mean, really. Is it a good story? I've been doing this same shit all day.
Guy 1: Hey, du' this ho knocked ova' mu siri owl. I'm gonna' kiw dat' cereal killer
Guy 2: O' riley?
Guy 1: I know you, you're the one that did it, fucktard!
Guy 2 Is stabbed multiple times in the heart. Cops come.
Cop: This guy was black, fuck it. We'll just say he committed suicide.
Guy 2: O' riley?
Guy 1: I know you, you're the one that did it, fucktard!
Guy 2 Is stabbed multiple times in the heart. Cops come.
Cop: This guy was black, fuck it. We'll just say he committed suicide.
by Rockcroc October 28, 2015

by WITHERED FOXY June 25, 2016

1) Someone who kills others using breakfast cereal, or someone who goes to the store and kills cereal.
2) Someone who turns delicious Froot Loops and turns them into nasty cornflakes, or even putting juice rather than milk into another man's cereal and giving it to them.
3) Someone who eats cereal with juice instead of milk.
2) Someone who turns delicious Froot Loops and turns them into nasty cornflakes, or even putting juice rather than milk into another man's cereal and giving it to them.
3) Someone who eats cereal with juice instead of milk.
HE TOOK MY FROOT LOOPS AND SHOT THEM!! Now they have turned to CHEERIOS?? WHAT A Cereal Killer.
Ok, well Cheerios are ok. They are still good. I will still eat them.
NOT ANYMORE! HE BURNT THEM AND NOW THEY ARE Flaming Hot Cheetios!! GROSS!!
Ok, well Cheerios are ok. They are still good. I will still eat them.
NOT ANYMORE! HE BURNT THEM AND NOW THEY ARE Flaming Hot Cheetios!! GROSS!!
by XxxxRe1nZxxxX April 21, 2020

by nomoresayingcusswordssss January 24, 2021

a product from Wax-Eye and artist Joe Simko that combines his excellent artwork with a horror theme for cereal brands
by SPrice1980 April 24, 2022

Someone who who eats NOTHING BUT CEREAL every single day for breakfast and constantly buys cereal and even sometimes steals yours AND IT'S REAL GETTING REALLY FUCKING ANNOYING WHY DID YOU EAT MY CURIOUSLY CINNAMON JIMMY THAT SHIT'S EXPENSIVE AND YOU FUCKING KNOW IT
Employee #1: Damn, didn't that guy buy cereal like last week?
Employee #2: Yeah, but he's a cereal killer.
*Oh btw i don't actually know a guy called jimmy so it isn't an inside joke OKAY!?
Employee #2: Yeah, but he's a cereal killer.
*Oh btw i don't actually know a guy called jimmy so it isn't an inside joke OKAY!?
by thegovermentislizards69 March 18, 2015

What a non- or little-English speaking person understands when an English speaker talks of a "Serial Killer".
Could also be someone who stomps on or crushes by hand....well, cereals!
Hates the sugar and sickening-sweet glazey stuff on them.
Could also be someone who stomps on or crushes by hand....well, cereals!
Hates the sugar and sickening-sweet glazey stuff on them.
"Hey, why you no like cereals so mucha you wanna killah dem? A cereal killer, huh?"
When Sandy saw the percentage of corn syrup additive in her children's Lucky Goo Smacks, she almost lost her cookies, but then her rage made her empty the box on the floor, and she stomped the nuggets into a noxious powder!
She had become a "Cereal Killer"!!!
When Sandy saw the percentage of corn syrup additive in her children's Lucky Goo Smacks, she almost lost her cookies, but then her rage made her empty the box on the floor, and she stomped the nuggets into a noxious powder!
She had become a "Cereal Killer"!!!
by Pen-Dragon April 30, 2025
