MacGruber Pie Share definition Flag A pie that takes to long to cook and you end up yelling "MacGruber" at the top of your lungs. I put the pie in the oven and it turned out to be a MacGruber pie. MacGruber Pie by M 2wice November 7, 2010 0 0 Get merch Get the MacGruber Pie mug. Buy Now — $32.95 See more merch
