When I dared come out from my hiding place (I realized that I was bigger that it) and got a closer look, I said "Yuck."
To which my uncle exclaimed, "Don't yuck it!", and hence, a phrase was born.
In my defense, that darn cicada deserves a resounding "yuckit"!
So, the next time you see something deserving of a "yuckit", say it loud and say it proud: