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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Random Words:
1.
Words that are made up and added to Urban Dictionary yet have no real meaning or are just pieces of other words such as words beginning ..