A secret condominium or other residence purchased or rented by a man or men in a relationship(s) with a wife, girlfriend, etc. The Mando is mainly used as a means to get away from family although it could provide a means to pursue an outside relationship. Usually outfitted with many of the items men would like at home but are unable to have. Some examples would be a pool table, bar, dart board, video games, home theater, digital vaporizer, lava lamp, erotic art etc.
I’ll see you at the Mando to watch the game. If you get there before me, heat the hot tub and clean the stripper pole before the girls arrive.