A male that is very smoothe with his flirting skills and almost always seduces any girl he wants.

-or-

A female that can seduce any man that she wants either by flirting or by not saying anything at all.
Look at that mack, he can get any girl he wants.

Look at her, she's a mack on attack, she spittin game without even saying anything.
by Kay Bizzle June 28, 2007
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To hit on or seduce fine looking ladies. By any means necessary even if it includes people's lunch!
1. Tom and Eddy macked the two hottest women at the party
by henno May 02, 2005
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someone who is good with the opposite sex, normally a male
your such a mack, the girls just run to you
by p smurf April 23, 2004
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A crazy fun girl but if you upset her she will jack you up. Mack is amazing! She is a really good friend and is good to be around.
My friend Mack is my best friend
by Anna Plays August 06, 2015
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a guy who's super whipped
George:Did you hear? Mack went to the midnight premier of Breaking Dawn with Josephine last night.

Sean: Yeah, it's because his name's Mack and he's super whipped.
by MackLee December 05, 2011
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A term local to Portsmouth that means obviously 'dodgy' or suspicious.
That bloke's weed was mack as f**k, I wouldn't take it for free, let alone pay for it.
by buggeredjabba February 02, 2011
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the act of consuming any kind of edible materials/female body parts
Nilou macked chips all night and Nima called her fat.
by efromdaenc October 12, 2009
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