shit in (one's) Cheerios

vulgar slang To upset, irritate, or disappoint one to a great degree. A more vulgar but less common variant of "piss in one's Cheerios." Sorry to shit in your Cheerios, but you won't get any credits for the class unless you attend every single lecture. A: "Watch out, the boss is in a foul mood today." B: "Wow, I wonder who shit in his Cheerios?"

shit it in

rude slang To do something easily or with little effort. Primarily heard in Australia. She's great with numbers and spreadsheets, so give her this project—she'll shit it in.

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.

shit out

1. rude slang Literally, to void something from one's bowels. A noun or pronoun can be used between "shit" and "out." The dog swallowed my wedding ring! I just hope he shits it back out!

2. rude slang To produce something of poor quality very quickly and with very little effort. A noun or pronoun can be used between "shit" and "out." You can tell he shat out the sequels as quickly as he could to capitalize on the success of the film adaptation. When I was an undergrad, I could shit an essay out the night before it was due and still manage to get an A.

shit the bed

rude slang To fail spectacularly or to a great degree. I can't believe we lost 17–1. Man, we really shit the bed tonight!