MASHING HER DINNER Share definition Flag When you feed your girlfriend dinner then go home and fuck her in the ass thus mashing her dinner A good cheap date is going to mcd's then going home and mashing her dinner MASHING HER DINNER by robs asshole January 14, 2008 0 0 Get merch Get the MASHING HER DINNER mug. Buy Now — $32.95 See more merch