Contagious on sight, an exclamation of for all to see, making them question if it's them that's boring.

It exists as bars and has a strippers name yet a child's want is my claim to fame.

I am used by two, the right and the left Used when amused, sometimes when its bad. When you hear me you are praised When many combine me spirits are raised.

Which side of a chicken has more feathers?

What do you call a factory that makes really good products?