oyy lumo Share definition Flag A phrase used commonly by aliens who eat oreo bootlegs from China called Oylumo. Alien1: Oy lmao man! Alien2: oyy lumo, you astral fuck oyy lumo by lolololmfaooyyboi November 7, 2017 0 0 Get merch Get the oyy lumo mug. Buy Now — $32.95 See more merch