mac'n it

putting your best foot forward for a woman, ecspecially through smooth talking, in an attempt to get in her pants or "fuck" her

Dude, there were all these bitches at the club last night, i was totally mac'n it

or

Last night, we were ballers, but we didn't "mac it"

Mac'n Off

To masturbate to Apple products vigorously.

God dammit Papin. Quit Mac'n off!

Jac'n and Mac'n

The act of ejaculating into a bowl of Mac and Cheese then eating it.

Bill: Dude! Did you just jizz in your Mac and Cheese?!!?

Ted: Hellz yeah man I'm Jac'n and Mac'n

Mac'n cheese

The act of picking up a chick, macking on her in public, then taking her home and cheesing all over her.

Dude, I totally mac'n cheesed that bitch last night.

Big mac'n

When one person poops and then another poops on top of it over a layer of toilet paper

Our buddy Seth is downstairs sleeping let's go big mac his toilet and surprise him when he wakes up, we'll be big mac'n that ish.