The dried on bits of leftover cereal stuck to the edge of the bowl. If left unwashed or rinsed, these particles will immediately begin to harden into a spackle that cannot be removed by even the toughest sponge.
Alicia left her bowl of cereal on the bedside table last night, and now she is chipping away at the cereal spackle.
by ProfS May 6, 2010
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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
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One who eats all their friend's cereral at his/her friends house and eats all the cereral at at Walmart without waiting to pay for it.
Person 1: Would you like a snack?
Cereal Killer: do you have cereal?
Person 1: yes...
Cereal Killer: (runs away)
(Comes back with all the cereral his/her friends have and eats it in under 5 minutes)
Cereal Killer: do you have cereal?
Person 1: yes...
Cereal Killer: (runs away)
(Comes back with all the cereral his/her friends have and eats it in under 5 minutes)
by MircroToasterWave May 29, 2019
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