what the dilly yo Share definition Flag It means wtf, what the hell, etc. It came out in 1996. person#1:Ima throw yo ball. person#1:I just throw yo ball. person#2:What the dilly yo. what the dilly yo by Bryan April 19, 2005 0 0 Get merch Get the what the dilly yo mug. Buy Now — $32.95 See more merch
