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Yucky Charms: A named used for the cereal Lucky Charms by children unable to pronounce the "L" sound. It is sometimes passed down and used in many families and generations. Yucky Charms can also be used to tell someone that you have just thrown up your Lucky Charms.
"Dude, I just Yucky Charmed in the bathroom right now"

"Bro! Lets get some Yucky Charms"
by Awesome Lettuce February 18, 2012