Definitions by Dee-Money$$$$

mack 

To mack is to chill. also can be used as macking (sometimes spelled maccin). Usually used when wanting someone to calm down.

ex1:
"Hey wassup?"
"nm, maccing, u?"

ex2:
"YO IM SO TIRED OF THIS SHIT"
"MACK!"

mack by Dee-Money$$$$ August 18, 2011