To mack someone is to post comments about them on their friends my space pages. This could involve starting rumors or getting something of your chest.
Thus leaving the person in question, completly embarrased about what you have informed he/she about, in relation to themselves.
E.g. I just macked your ass and told fred you like him! Or, You just got a good macking of him/her, now everyone knows.
flirting, being ostentatious to attract member(s) of the opposite sex
where'd those girls go? i was really mackin' it to them
To get ladies without really trying, its what real players do, kind of like being a pimp
He was macking on those bitches
when ur spitting game on this super fine girl
yo check out robert he be macking right now!
To succeed with talking/flirting with the opposite gender (typically males to females). Often occurs at various social gatherings such as parties, hoedowns, conventions, sporting events, or fundraisers.
To make Out
-Me and my boyfriend were macking after school.
1. To verbally abuse a fruit or vegetable.
I was macking on a apple last night.
Making out with someone
Can also be used in differnt contexts:
-Julia: "OMG I saw Brittany macking Christina's boyfriend!"
-Haley: "Ugh Julia is such a whore, she macks every guy she sees."
-Melissa: "Did you see Josh at that jam this weekend?"
Christy: "Ya we pretty much macked all night"
-Caitlind: "You better mack him he's fucking sexy"