All of these definitions are wrong. A cheerio is when you trick someone into looking at your hand while forming a circle with your thumb and your index finger while the rest of the fingers are extended. The person who looks then has to let the person who tricked them punch them in the body or limbs. Etiquette dictates that the Cheerio should be below the waist when viewed.
Cheerio, bitch! Give me the left arm!
by Zehcnasytrid December 24, 2016
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Bagel seeds, commonly known as Cheerios, are the young stage of a plain bagel from your local Starbucks.
Person 1: "I'm hungry!"
Person 2: "Go get some bagel seeds."
Person 1: "It's Cheerios!"
Person 2: "They are the same..."
by Dinousrname February 13, 2019
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Edible solid substance used so people can submerge their penises into it.
Me: "Let's play swords in this box of cheerios!"
Everyone: "Yeah!
by Xexdeh January 1, 2020
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Derrick- Cheerio!
Daniel- Where?
Derrick- In the blue shirt.
Daniel- Wow she's definitely a cheerio!
by NoahK October 8, 2010
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A young boy, fourteen to be exact, and a member of the xbox-scene forums, who was repeatedly raped by an uber nerd canadian forklift driving midget pedofile named HSDEMONZ.

He shall be missed.
1. Cheerio committed suicide earlier this year as a result of being repeatedly raped by HSDEMONZ.

2. If HSDEMONZ would have taken the time to take the dildos out of his own ass, he might have realized what cheerio actually mean't to him.
by The Allies May 30, 2004
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Cheerios are an oat cereal that is loved by millions of people. Cheerios are a very popular breakfast and taste amazing. Cheerios are life. they provide happiness. except when you're out of Cheerios then you become sad.
I had Cheerios for breakfast and I feel amazingingly amazing.

Cheerios are life.
by claxophone July 8, 2014
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A sexy bunny that comes to your house around midnight and gives you wet dreams and does a strip tease.
"Last night a cheerio came to my house while i was asleep. When i woke up i had a boner. It was great!"
by Emily and Jose April 25, 2007
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