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yonf is a term used for children with below average intelligence and below average athletic ability. one out of every 7 kids with yonf go by fake names or nicknames while the other 6 kids go by their normal names.
Person 1: Wow is that kid alright?
Person 2: No, he has Yonf.
Person 1: Damn, he going to be alright?
Person 2: Most likely not
by etan.baptist May 06, 2018
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