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When you put a cheerio in random places, around him, around school, around the town, or even on a person without that person noticing.
If you do this, take a picture and post it on instagram or twitter with #secretcheeriochallenge
I decided to do the secret cheerio challenge! I put a cheerio on my friends head without her noticing #secretcheeriochallenge
by TOTofficial April 20, 2017
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