do in

verb

1. to murder or kill

2. to exhaust

Idioms and Phrases

Tire out, exhaust, as in Running errands all day did me in . [ Colloquial ; early 1900s] Also see done in .

Kill, as in Mystery writers are always thinking of new ways to do their characters in . [ Slang ; early 1900s] Also see def. 4.

Ruin utterly; also cheat or swindle. For example, The five-alarm fire did in the whole block , or His so-called friend really did him in . [First half of 1900s]

do oneself in . Commit suicide, as in She was always threatening to do herself in . [ Slang ; first half of 1900s]

Example Sentences

The research was done in collaboration with a number of scientific organisations, including the University of Iceland.

From BBC

Dodgers third baseman Max Muncy shares what he thinks the team needs to do in order to end its summer slump and stay in first place in the NL West.

From Los Angeles Times

She continued: "Let's be honest, sometimes they're just an excuse to bring the drama and do things I wouldn't do in real life. Music evolves, but fun? That is eternal."

From BBC

Yet RFK Jr. and the administration behind him may face more opposition here than they did in nudging Coca-Cola to release Passover Coke year-round.

From Salon

“And then officers respond with what they have to do in order to control it.”

From Los Angeles Times