bum someone out

bum out

1. To discourage or make sad. In this usage, a noun or pronoun can be used between "bum" or "out" or after "out." Todd just heard that he didn't get the job, and he's really bummed out. I can't watch the news because it always bums me out.
2. To annoy. My parents were really bummed out when they heard from the principal that I had cut class.
3. To do something badly. I guess I bummed out on the interview because I didn't get the job.
4. To have an unpleasant drug-fueled experience. I don't take that drug anymore because I really bummed out the last time.
See also: bum, out

bum someone out

tv. to discourage someone. (see also bummed (out).) The failure of his tires bummed out the race driver.
See also: bum, out, someone