Oieeyo Share definition Flag A term used to describe ones shock or disapproval. Example 1: "Arsenal just lost 3-1" "Oieeyo" Example 2: "I'm gonna steal your girl" "Oieeyo" Oieeyo by Ya.main-nigga March 16, 2019 0 0 Get merch Get the Oieeyo mug. Buy Now — $32.95 See more merch