1. Taking advantage of a stupid female.
2. Making out.
3. Cheating on hoes.
"Yeah, so's we was mackin' and dis bitch was like 'No stop!' and I was like shut up skank."

"I love mackin' on you Johnny."

"You isn't mackin' on my ho! Now its on!"
by Rain February 1, 2003
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Lying or messing around. Or being gae
He’s always mackin
I knew he lied to be so i told him “stop mackin
by Pantsooa April 23, 2019
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When you meet a girl at a bar and end up fingering her at the bar or right outside the bar in an adjacent alley. It happens so quickly, it is practically during the introduction.
Person #1 - "Hey where did Mark go?"
Person #2 - "He is in the corner giving some bitch the Mackin Handshake"
by M.Boy October 11, 2010
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Mackin in its pure, concentrated state; the highest level of mackin
Person 1: Dude, do you see Dave with that fine chick over there?
Person 2: Now that's what I call BIG MACKIN!
by Mitch D. July 3, 2008
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Violinist for pop-punk band Yellowcard. He gives a great onstage performance, with flipping, singing, and playing. He was never in a rock band before YC, but he was in the orchestra, and damn proud of it. He is also the Gigglemaster
Sean Mackin is a damn good violinist, and giggles when hyper. Yes, he giggles.
by Kiwi June 25, 2004
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The best violinist in the world. He plays for the pop punk band Yellowcard and has been playing since he was six years old.
Gee, I wish I could play violin like Sean Mackin!
by Allie March 1, 2004
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