Making out with someone
Can also be used in differnt contexts:

Macking
Macks
Macked
Mack
-Julia: "OMG I saw Brittany macking Christina's boyfriend!"

-Haley: "Ugh Julia is such a whore, she macks every guy she sees."

-Melissa: "Did you see Josh at that jam this weekend?"
Christy: "Ya we pretty much macked all night"

-Caitlind: "You better mack him he's fucking sexy"
by ana.fuck you February 12, 2009
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She is such a hoe, she only knew him an hour before macking with him.
by ~*~Starlight~*~ August 5, 2003
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noun: This common term can sometimes be used to describe a hard-ass individual who is constantly fighting homosexual urges, partly due to the fact that they are around members of the same sex. Some avid enthusiasts have been known to get the word "mack" tattooed somewhere on their upperbody, usually the chest.
Aaron: "Hey Eric. Did you hear about that mack Shane saying how he wanted to kiss Greg and then try to hide it by sneezing eight times in a row?"

Eric: "Eight times in a row?!"
by et87 February 20, 2009
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A slang word for the Sub-Machine gun known as Mac-10
Man that mofo micky he been pimpin my woman next time I see his punk ass I'm gonna blast him with my Mack biatch
by Anonymous April 26, 2003
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to kiss a lot. and make out. definitely not to woo or hit on.
oh my gazz...did you know that jells wants to mack all up on ryan's hot bod?! mmmmmmmmmmhmmmmmmmmmmmmmmmmm!!
by mandyjelly June 23, 2008
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someone who is good with the opposite sex, normally a male
by p smurf April 24, 2004
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