Mack 

a butthole, player who thinks he's the biggest flirt in the world

Gosh, Mack, you are so dang ugly!

Mack by Stephanieni October 19, 2014

Mack 

The nickname for Mackenzie who is can I just say the greatest person ever
MFF Mack faith ***** is the braves strongest most talented person alive. She has been through so much an is often an inspiration to do something. She is quiet but has the "other side" all the boys want to "Mack" on her;)

She often doubts herself but needs to know that everyone supports her no matter what

Person 1: I pulled a Mack

Person 2: woah your so awesome, bravest person I know

Mack by Thetruegirls May 4, 2017

Mack 

Mack is a ship name between two kids named Jack Dylan Grazer and Makayla Vermani Hughes

Jack:hey Finn do you ship mack
Finn:duh what about you jaeden
Jaeden:its the best ship ever
Jack:I love makayla

Wyatt:yea shes a good person
Jack:back off she's mine

Mack by Jackdgrazer October 25, 2017

Mack 

The definition of little love

Damn, Mack is such a cute nickname for Jack and Maddy

Mack by RedCart November 1, 2017

Mack 

To entice by way of charming seductive verbal communication and physical behavior.

I Macked on 3 different broads last night and they was all going.

Mack by Maino Mane January 16, 2018

Mack 

Everyone’s favorite whiteboy.

Mack basically said, “fuck 12” in ways everyone could be receptive to.

Mack by Rilldill December 16, 2018

Mack 

The term used when asking to hit someone’s e-cigarette or vape.

Can I Mack your juul. Or Lemme Mack that.

Mack by Big glass cleaner.2k June 4, 2019