FAQ for
"Monty Python's Flying Circus" (1969)

It's simply German gibberish with no meaning at all.

Animator Terry Gilliam suited up to play this recurring character.

It was a caricature of a typical British laborer, usually dressed in gum-boots (hence the name), suspenders, and a handkerchief knotted at the corners for a hat. John Cleese has the honor of first appearing as a gumby in show 6.