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15.
a delicious part of breakfast full of sugar and absolute goodness usually eaten out of a bowl with milk and eaten with a spoon, one of the greatest inventions in the world, cereal will continue to satisfy hungry people in the morning whether week day or week end
This morning I got out of bed and ate some delicious cereal with 1% milk. It tasted very good.
by Meep Council Member January 23, 2009
 
1.
another form of the word serious
Dude, do you think she was cereal when she said she liked me?
by bimini_blue May 21, 2003
 
2.
A box of sugar with pretty pictures.
Cereal is where the gov'ment puts our brain candy.
by The World August 10, 2003
 
3.
The best food in the world.
I eat cereal all day long. It is good in the morning, in the afternoon, and in the evening, especially good for a snack in the middle of the night.
by AcneBrain June 29, 2004
 
4.
a synonym of the word serious.
you guys! i'm super duper cereal!!

-al gore
by manbearpig April 28, 2006
 
5.
the international food of stoners
dude hahaha im so hungry haha and so baked lets get some cereal
by alan March 18, 2004
 
6.
Exquisite exclamation of serious
Serious: Are you for cereal?
by tootie and caterina April 08, 2005
 
7.
A replacement word for 'seriously'

Usually used in a response to a true statment.
Tyler: "I drank 20 cans of mountain dew, I'm gonna be up all night."
Domenic: "Yeah.. cereal."
by Tizz Mizzle May 15, 2007