on first-name terms

English

Prepositional phrase

first-name terms

1. Familiar with someone, such that one can address them by their first name.
2. (by extension, humorous) In regular contact with a person or organisation.

   My accountant was so bad I am now on first-name terms with the tax department.

Usage notes

• Often followed by the preposition "with," as in "He's on first-name terms with the president."

See also

• on a first-name basis