mack 

to flirt with an underclassman for the sole reason of getting some action. The underclassman involved almost always gets used.

The captain of the football team was macking on that freshman girl last night, bet he got laid.

mack by Anonymous April 27, 2003

mack 

v. to steal
Usually heard around the ghetto/city areas.

1. Yo, did you see that guy mack the car?

2. alright, who macked my lighter?

mack by EricaB February 4, 2005

mack 

Mack can be used in saying used to describe when someone is having sex. Like someone is having sex with his girlfreind it can be said that he is 'on the mack'.

Don't bother, he's on the mack at the moment.

mack by Big Fez November 9, 2008

mack 

When someone has been conned/is controlled by someone else.

Milan is such a mack his girlfriend says jump and he replies how high.

Man i just donated to some guy in a wheelchair, and saw him stand up and walk away. Im such a Mack

mack by - July 14, 2004

mack 

To make-out with someone

I sooo want to mack up your bf tonight

mack by mmmmm August 24, 2003

mack 

When a bitch has a man back.

I cant fuck that bitch doggy style because of mack.

mack by your mom inc July 30, 2006

mack 

when the c-puppy receives some sweet ass lovin from a sweet ass ho

hollar yo.

to mack:
k: ohhh shit! you did not!
c: ooohh shit! i so did!!

mack by kizzle January 29, 2005