Its an abbreviation used in baseball for a middle relieve pitcher that is used for the 7th inning an on.
Hey Dad!!! when is the MP going into the game? When the starting pitcher finishes the 7th inning son. Now go get me that beer before the mp comes in richie!
by Milez May 31, 2007
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A tall ugly dirty smart college kid, who has a girlfriend, but despite all of this he will smell for the rest of his life.
Are you an mp
by Not Mp July 31, 2003
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You don't want to zip-line with an upset tummy? Don't be such an MP!!
by c-arts August 12, 2011
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All of the cool kids are going to MP
by Bydnelg February 26, 2005
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Using someone else's money to pay for a luxury item you would not possibly dream of paying for yourself.
Hazel "I really want to get some antique doorknobs for the faux medievil drawbridge over our moat"

Geoff "No problem honey, we'll stick it on the mp's expenses, Gordon bought a helicoptor last week"

Hazel "Spiffing!"
by Barry Kabama May 15, 2009
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