Sir Roleo Share definition Flag 'Sir Roleo' of House Mcflurry is a term used when you get a mcflurry from mcdonalds which has rolos and oreos mixed together. Girl: I just ate a sir roleo . Best experience of my life Sir Roleo by ¯\_(ツ)_/¯ qaz June 22, 2016 0 0 Get merch Get the Sir Roleo mug. Buy Now — $32.95 See more merch