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
Tommie	['tɔmi]
Trees	TRAY:S (Dutch)	Dutch, Limburgish
Billy	['bili]
Linda	LIN-də (English), LIN-dah (German), LEEN-dah (Italian, Finnish)	English, Dutch, German, Italian, Swedish, Norwegian, Danish, Icelandic, French, Latvian, Finnish, Hu
Vasiliki	-	Greek
Bryony	BRIE-ə-nee	English (Rare)