From Longman Dictionary of Contemporary Englishdo somebody in phrasal verb informal1 KILLto kill someone He was planning to do himself in.2 TIREDto make someone feel extremely tired That walk really did me in. → done in at done2(4) → do→ See Verb table
Examples from the Corpus
do in• It is rarely about disloyalty but invariably about clients believing they can do better.• It might otherwise cost a good deal of money to do this.• Sure, he could have done more, but he did what he did.• To do the same in a city is another.• We're not yet a police lab even if you do walk in and out of the place as if it's your own kitchen.• Pete Wilson, can do well in California probably depends on how much that candidate is willing to spend.• The courts have long held that partners in private partnerships have greater obligations to each other than do shareholders in public corporations. 