do in
1. To exhaust someone. A noun or pronoun can be used between "do" and "in." A full day of traveling has totally done me in. I know it's only five o'clock, but I'm ready for bed! Rover's still napping on his dog bed? Wow, I guess that hike this morning did him in! I staggered over the finish line, because, whew, that last mile of the marathon did me in.
2. To cause someone's or something's collapse or ruin, often through deception. A noun or pronoun can be used between "do" and "in." After he betrayed me, I vowed to do him in and steal all of his major clients. That traveling salesman sure did me in by running off with my money. If you keep treating people abominably, karma will do you in eventually.
3. To kill someone or oneself. A noun or pronoun can be used between "do" and "in." I did in the informant, boss, don't worry—he'll never talk to the police again. The man said he'd do me in if I told anyone that I'd seen him burying the money in the field. Because she's the prosecution's star witness, I'm worried that the mob will do her in before she ever gets a chance to testify against them.
done in
Exhausted and in need of rest. I'm done in after exams each year—I feel like I need to sleep for a few days afterward. Can you pick up the kids from soccer practice? I'm totally done in. Rover's spent most of the day snoozing in his dog bed—guess he's still done in from that hike I took him on yesterday!
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.