Delloso Share definition Flag an italian man who is the italian stallion! "gets the chicks avoids the dicks", he hits up the gym everyday and takes pride in his looks. that guy at the gym was ripped, he must be delloso Delloso by new york jets November 11, 2010 0 0 Get merch Get the Delloso mug. Buy Now — $32.95 See more merch