shit off

1. rude slang To go away; to get lost. Usually used imperatively. A: "Oh my God, and then what did you say?" B: "I told that idiot to shit off!" I punched him in the chest and said, "Shit off, jerk!"

2. rude slang To irritate or infuriate someone. In this usage, a noun or pronoun can be used between "shit" and "off." He got a kick out of shitting off customers over the phone, until he got fired for it, that is. I could tell Jake was just trying to shit me off with his comments, so I tried to ignore him.