Top definition
Someone who, in trying to improve their social standing or reputation, becomes less cool.
Person #1: "Checkout my new crocs, they're so awesome."
Person #2: "No they're not, you're a tizzit"

Teenage boy: "I'm so cool, look how much swag I have"
Society: "No, you're a tizzit and everyone hates you"
by TheBirdIsTheWord June 23, 2013
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