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
Jovian	-	Ancient Roman (Anglicized)
Widald	-	Ancient Germanic
Kjellfrid	-	Norwegian
Diederick	DEE-də-rik	Dutch
Jody	JO-dee	English
Des	DEZ	English