spatch

In SoCal fandom, the song has become one of the standard topic changeers, for when the conversation has dead-ended or gone too There, or whatever. Someone just starts it, and generally, everyone joins in. It's what you do when you've nothing else to say, basically.

As far as I know, this was started by Tadao Tomomatsu, aka Mr. Shake-Hands Man from Banzai TV. (US version)