The term used when a person is acting up and can only say insults, much like that of a seventh grader
Person 1 (to a random stranger): WHY THE FUCK SHIT ARE YOU SO FAT!!!!
Person 2: Dude calm down you're getting a case of Sevy Syndrome
Person 1: YOUR MOTHER!!!!
Person 2: Dude calm down you're getting a case of Sevy Syndrome
Person 1: YOUR MOTHER!!!!
by BryceSmith April 30, 2011
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