oh seen Share definition Flag A daft phrase used by Riaz in order to communicate when something has been understood. ME "Hey Riaz, I heard you shoved a carrot up yo' ass" RIAZ "Er, yeah" ME "I got a pic of you doing it" RIAZ "Oh, seen" oh seen by Gaz March 2, 2004 0 0 Get merch Get the oh seen mug. Buy Now — $32.95 See more merch