have had one too many

idiomPart ofmany

have had one too many — idiom

1. To be slightly drunk after drinking too much alcohol.

1.idiom
Definition

To be slightly drunk after drinking too much alcohol.

Example

After the party, Tom had clearly had one too many.

She admitted she had had one too many and couldn't drive.

2. to have drunk more alcohol than is sensible, so that you are slightly drunk.

2.idiom
Definition

to have drunk more alcohol than is sensible, so that you are slightly drunk.

Example

After the wedding party, Christopher had clearly had one too many and could not walk straight.

I think Élise has had one too many — she keeps laughing at nothing.