Top Definition
1. The act of behaving as if you are always correct when in fact you are wrong
2. An irregular or unnatural amount of obsession over one's shoe collection
3. In reference to one's baldness
Person A: Dude, that guy wouldn't stop talking about his gay shoes and shitty Dolphins team
Person B: Yeah he was acting like such a Tmacks
by The Toother November 01, 2014

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