This is a bit sudden, but you must have done the ''akkambee'' when you were a child, right? That's right, you stick out your tongue and pull under your eyes with your index finger. In Korean, there is actually a word that corresponds to the "bakanbae". It is written "메롱", and when pronouncing it, it is pronounced with "mae-ron" like Japanese. It sounds delicious, doesn't it? If you dare to use "메롱", please try it...