What is Koo-koo-ka-choo-ka-koo-koo-ka-choo?
1. A term of endearment, often expressed by members of mop-top haired boy bands, but rarely publicly. Often said moments before orgasm.
2. From that Beatles record
Hey, beautiful, come here, snuggle up... koo-koo-ka-chooka-koo-koo-ka-choo!