In Korea, most of the children (boys) had played "ICEKEKI" which is Korean Children(boy)'s play,
the play is that boys suddenly raise some girl's skirt and a little boys run away very quickly from skirt raised girl..
Most of Little boys is faster than little girls, and then most of the girls are crying at that point.
If you see that situation, you can be voluntary smile, at the same time, you can look back on the past for your childhood.
Why don't you play "ICEKEKI" ?