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1) Noun: an acquaintance with whom you trust a five minute speech that could, potentially, ruin the rest of your life.

2) Antiquated expression used to delineate the "best swordsman" by your side as you kidnapped your "betrothed".
1) It would be an honor to be your Best man

2) Gather your Best man; we're off to find us wenches, er...wives!
by med3vil February 07, 2010
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May 8 Word of the Day
1. Slight sins or offenses
2. Petty crimes or small infractions
3. Las Vegas Punk Rock!
Peccadilloes shows rule.
by James Messina August 11, 2006
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Someone who is the closest friend of another who is hosting a party.
Hey man, im throwing a banger next week, wana be my best man?

Sure man, i'll supply the booze.
by Cypher456 May 11, 2011
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Joseph - the legendary best man. Has your back through thick and thin, organises the best stag do's, and gives fantastics speeches that will not ruin the rest of you life
Joseph is my best man, why would you have anyone else.
by ronnie_hotdog August 14, 2018
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