stick up (one's) ass
(redirected from a stick up my ass)?Note: This page may contain content that is offensive or inappropriate for some readers.
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?