A fork of Rural Dictionary
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