on the horn

Adjective

Meaning

on the horn

(idiomatic) On the telephone.
Let me get on the horn with him and ask.

Source: en.wiktionary.org

Examples

In return, US surpluses of genetically engineered maize (banned in the European Union) were being dumped on the horn of Africa, in the form of emergency aid. Michel Chossudovsky

Close letter words and terms

on the hook on the hop on the horizon on the horns of a dilemma on the hot seat On the hour