lemonade launcher

(n.) Slang term used by children, parents and pediatricians, that refers to the urethra of the male penis or the female vagina.

The term 'lemonade launcher' is a preferred euphemism to use when conversing with children about personal hygiene, unlike other nouns considered to be vulgar, like pisshole, pussy juice, dick, cock, cunt, twat, etc. Most parents would prefer that their children not use such 'nasty nouns.'

Natalie, you must remember to wash and clean your lemonade launcher before you get out of the bathtub.