n [ usu sing ]
a man who is very traditional in his attitudes and values, and will not accept any change, especially one who believes that Britain is best. Originally, Colonel Blimp was a cartoon character created by David Low (1891–1963) in the 1930s. He was an old, bald, fat man who had been an army officer. He was not very intelligent and considered his own opinions to be more important than anyone else’s:
The club is full of retired military officers of the Colonel Blimp type.