Top Definition
Eating so much of mcdonalds' burgers you end up with tits. Usually said upon people who are morbidly obese and eat mcdonalds' burgers alot.
Dude: Damn, look at those unholy mactitties.
Man: He must've been hitting mcdonalds for 6 months straight.
Obese Man: I heard that, you assholes.
by legitmofoa March 14, 2014

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