To Mack On,
To ejaculate on a woman, usually on her face and/or in her mouth.
Friend: I saw you leaving the club with that girl last night.
You: Yeah. It was so hot. She let me mack on her face.

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Friend: Why did your girlfriend break up with you?
You: Well last night I kind of macked on her face.

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Friend: I herd that girl you like loves getting macked on her face.
You: Even more reason to like her!
by ShortVIX August 20, 2008
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To have the sex, to do the sex.
"You appear to be aroused, perhaps you should go and get your mack on"
by lolapoop April 25, 2007
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1. Mack is a short from of MacIntosh, a waterproof overcoat, named after its inventor.
To “get your mac on” means to stay dry.
2. Mack is a euphemism for a condom, another form of waterproof overcoat.
To “get your mac on” at the severe end of petting is an invitation by a woman to the guy to have sex with a condom on.
1. Mum- It’s raining so, get your mac on.
2. Your honour, she broke away from my passionate kiss while I was trying to penetrate her, and she said “get your mack on”. I stopped and fiddled around till I had the condom on. So how can she now complain that sex was not consensual?
But son, how do you account for her hands and feet tied to the bed!
by aaroon January 5, 2009
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