phrase used widely by teenagers and young adults in the mid 90s as it was made popular by the comedy geniuses Stew Lee & Richard Herring.
they used it mostly in the second series of their hit tv & radio show 'Fist of Fun'.
It means basically to want everything, if you want the moon on a stick then you want everything, including things you can't have.
Rich: you wanted the moon on a stick...well look! i went up and got it for you!
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).