mkur Share definition Flag means the same as 'mkay', but with an '-er' sound attached. mostly because it is fun to say. 'honey, i'm going to the store do you need anything?''no honey, i'm good!''mkurr.' mkur by neeyukk May 17, 2010 0 0 Get merch Get the mkur mug. Buy Now — $32.95 See more merch