1 definition by MircroToasterWave

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)
by MircroToasterWave May 29, 2019
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