Muppet

(from the article `Henson, Jim`) American puppeteer, creator of the Muppets of television and motion pictures. He coined the term Muppets as a meld of `marionettes` and `puppets`; ...
Found on http://www.britannica.com/eb/a-z/m/139

Muppet

[Naval Acronyms and Slang] Most Useless Person Pusser Ever Trained (arguable originated from the Royal Navy). Derogatory by the way
Found on http://www.encyclo.co.uk/local/21733

Muppet

Muppet is British slang for an officious person in uniform.
Found on http://www.probertencyclopaedia.com/browse/ZM.HTM
No exact match found