A fork of Rural Dictionary
1. The act of two couples switching partners in the midst of simultaneous sexual congress. 2. Successfully dumping your girlfriend in favour of her sister or roommate.
1. Jane and I were givin er when Jack offered Jill up and we did the old switch-er-oo. 2. Person 1: Yep, as soon as Susan moved in with Sarah, I knew I had to have her, so I gave Sarah the heave-ho and now Susan and I are bumping ugly. Person 2: Holy shit! You pulled off the old switch-er-oo!