What is Get On The Horn?
1.
To use the telephone.
Hey Simpson, get on the horn and tell accounting we need more TPS reports.
2.
It's getting the horn on , ie, an erection. Certainly I heard and used this phrase in the around 1960 - common UK working class phrase.
"I've got the horn." "She gives me the horn." "She gives me a horn on." (horn-on?)
See
