stick up (one's) ass

rude slang A rigid and uptight demeanor. I can't believe Ms. Jones gave me a demerit for being a minute late! Ugh, she has such a stick up her ass! Tim's no fun, he always has a stick up his ass—why did you invite him to your party?

Common Names:

Name	Pronounced	Usage
PÀL	-	Scottish
Rhea	REE-ə (English)	Greek Mythology (Latinized), Roman Mythology
Rebeckah	rə-BEK-ə	English (Rare)
Duncan	['dʌŋkən]
Bruno	['bru:nəu]
Zulekha	-	Arabic