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!
example 1): (1st person says): Dude, we get to go to Florida. (2nd person says): KOO KOO KA CHOO!!
example 2): (1st person says): Hey, can you get me the pen? (2nd person says): Koo koo ka choo.
A term that the beatles coined while tripping on acid. It shouldn't really have a meaning, but can be used interjectionally to emote the mental state of ones self under the influence of a controlled substance.