An uncommon condition in which a naruto fan gets addicted to the TV show Naruto, It usually gets worser day by day to the point trying to convert someone into a narutard by force. A narutard is a person who has narutosis. It is caused by an abnormal mutations of naruto fans cells.
DUDE YOU ACTING LIKE YOU HAVE NARUTOSIS

Narutard : DATTEBAYO!
by SamuelSang July 1, 2021
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