American Dictionary

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Definition do in in American English

do in phrasal verb

[transitive] phrasal verb
1

to make someone feel very tired

Example

It was climbing that last hill that really did them in.

Example

I'm completely done in after all that running around.

Synonyms and related words
2

to murder someone

Example

I figure someone did her in to get her money.

Synonyms and related words
Definition do in in American English