Dirty Iago Share definition Flag A dirty Iago is when you slap your girlfriend's ass and then immediately pull down her pants and start to anal them. Someone= "omg i really ant to give my girlfriend a dirty Iago Dirty Iago by urehgehufeiwjda May 4, 2020 0 0 Get merch Get the Dirty Iago mug. Buy Now — $32.95 See more merch