You misspelled indecency; maybe you should be punished for
that!!!
Seriously though, what do you mean by punish? How old an child? Is the person intellectually challenged? Autistic? Things like that should be considered when discussing such things i think.
One wonders if you're asking because you're contemplating doing some streaking yourself!

Dare to be different... and make a difference.
To boldly go where no one in their right mind has gone before...