mack out

mack out

To improve the performance or appearance of something by customizing it with new components or decorations. A noun or pronoun can be used between "mack" and "out." I bought a car for less than $2,000, then macked it out with speakers, new tires, and a sick paint job. The company urges people to bring in their old, beat-up computers and let their team of engineers mack out the old machines, rather than throw them away and buy brand new ones.
See also: mack, out

mac out

in. to overeat, especially the type of food served at McDonald’s fast-food restaurants. (see also blimp out, pig out, pork out, scarf out.) I’ve been in Europe for a month, and I just want to get home and mac out.
See also: mac, out
References in periodicals archive ?
Froch took over-matched Philadelphian Mack out in three rounds with two stinging body shots as he successfully defended his IBF super-middleweight title for the first time.
Another witness, who'd been riding in the car with Wallace, picked Mack out of a photo lineup as having been present when Wallace and his entourage left the party.