1 (also (Colonel) Blimp) a proponent of reactionary establishment opinions.
2 a a small non-rigid airship. b a barrage balloon.
3 a soundproof cover for a cine-camera.
Derivatives:
blimpery n. blimpish adj.
Etymology: 20th. c., of uncert. orig.: in sense 1, a pompous, obese, elderly character invented by cartoonist David Low (d. 1963), and used in anti-German or anti-Government drawings before and during the war of 1939-45
Useful english dictionary. 2012.