A rude, vulgar invective expressing disdain, contempt, disgust, or anger to someone (about something). Primarily heard in US. I've taken enough of the boss's crap—he can shove this job up his ass! A: "You're acting like a fool, Dave. You need to sober up and get your life in order." B: "Ah, shove it up your ass, Bill! You don't know what's best for me!"