meatball sandwhich Share definition Flag it involves 1 dick, 2 balls, 3 vaginas...you put each ball in 1 vagina each and the 3rd vagina goes on the dick. Sam(the guy),Samantha, Abby, and JoAnn had a meatball sandwhich in the bathroom. meatball sandwhich by Douchebag46 October 3, 2010 Get the meatball sandwhich mug.