What is Gmac?
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Named after the short but tenacious Syracuse point guard Gerry McNamara, a GMac is any inprobable clutch or momentous action a person pulls off, usually at the last second.
I can't believe Tom pulled that test grade out of his ass -- that was a total GMac.
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County of origin: Sac and Fox
When attacking a lady friend from behind she mentions that you might be the smallest thing she’s had sinc..
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if you slap a girl's ass and it jiggles anywhere from 2- seconds, its a ba-dunk-adunk
honey baby, you have a ba-dunk-adunk
See ni..
