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1. a small penis
2. a person who does work, smacks his food, snots on his desk, says the word "like" too often, doesn't close the blinds, or leaves chicken parmesan on his roommates towels.
3. a supreme flowmaster
"Fuckin Maguire. I'm never workin out with him again. We always leave really late for our morning workouts. He's such a pattymac."
by Peter Galbraith November 24, 2009
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