mack 

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.

mack by MackLee December 5, 2011

Mack 

A very salty person, usually because his girlfriend sucks.

Mack is salty. His girlfriend made him act like they aren't going out.

Mack by [e.99]Miracle December 4, 2004

Mack 

A slang that is originates from NYC.
This word is used in substitution of chill .

One would use this instead of chill out in more serious situations, to show someone how serious they really are.

Person A: "Hey bro you wanna try some cocaine tonight?'
Person B: "MACK MACK its a school night!"

Mack by NYCbAsed April 5, 2017

mack 

to eat something or to chug a drink

Jeff: *points at beer* Hey you gonna mack that!?
Dave: Yeah!
*Dave macks (chugs ) the beer

or

"Dude Im ready to mack a sandwich right now, Im starving."

mack by Bennie P. July 22, 2006

Mack 

Mack-also Mak,
1) Another word for excessive making out, especially involving Maddie, Abby and Kristina.
2) a wonderful distraction from a movie.

"Whoah, watch them mack! they never stop!"


"I can tell when they mack, they're always slurping!"

Mack by FADDYFADDY December 25, 2008

mack 

to make out wit a hott girl

Rob only wanted to go on the haunted house cuz it was dark n he could mack his girl

mack by slut muffin August 19, 2004

Mack 

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

Mack by Anna Plays August 6, 2015