Mad Maxin

To chill at a maximum level.

"What's good, Mang? What are you up to"

"Ah nothin just over here Mad Maxin, Bro."

Mad maxine

To have anal sex while she is stuck in the backdoors of a van while some one else drives in the desert. Once you ejaculate, go and jump in to a moving dune buggy and drive off. Strap-ons are acceptable if the 2 are lesbian.

Guy 1: I hooked up with a Arizona chick on tinder and we did a Mad maxine.
Guy 2:Dude you have been on urban dictionary too much.