What does "colonel blimp" mean?

A stereotype of a pompous, ex-military middle-aged man, conservative and opposed to new ideas.

What is a synonym for "colonel blimp"?

Common synonyms include: blimp, fuddy duddy, reactionary.

noun

noun ·Rare ·Advanced level

Noun

1
A stereotype of a pompous, ex-military middle-aged man, conservative and opposed to new ideas. British
2
any elderly pompous reactionary ultranationalistic person (after the cartoon character created by Sir David Low) wordnet

From the name of a cartoon character created by Sir David Low.