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mackermoo is a term used for someone who always wins, pwns hardcore noobs, gets all the girls and gets more ass than a toilet seat. contrary to popular belief it has nothing to do with cows. Its also the gamertag of this guy i faced on xbox....i still have nightmares about that match
Did you hear about how hank made out with three different girls yesterday?

yea hes such a mackermoo
by the kid in the back January 20, 2011
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