Longman Dictionary of Contemporary English
stuffed shirt
noun
EXAMPLES FROM OTHER ENTRIES
▪ Marcus was a true intellectual stuffed shirt.
EXAMPLES FROM CORPUS
▪ Modigliani clearly felt no empathy towards the stuffed shirt towering above his wife.
Wiktionary
stuffed shirt
n. 1 (context idiomatic English) One who is pompous or self-important, especially one who is officious in a position of authority. 2 (context usually hyphenated English) Used attributively.
WordNet
stuffed shirt
n. a bore [syn: fuddy-duddy]