The word used by Rowan Atkinson in "blackadder goes forth" to denote a state of insanity. I the scene he puts pencils up his
nose and repeats "wibble wibble" in order to get sent
home from the
trenches.
George: "What is
your name?"
Blackadder: "Wibble."
George: "What is
2 plus 2?"
Blackadder: "Wibble, Wibble."
Blackadder, trying to prove he is mad, in his
bunker, with underpants on his head and a pendil up each nostril