high sign

noun

1. a gesture, glance, or facial expression used as a surreptitious signal to warn, admonish, or inform.

Word History and Origins

Origin of high sign¹

First recorded in 1900–05

Idioms and Phrases

A secret signal intended to warn or inform, as in Dad gave us the high sign when it was time to leave . This expression presumably alludes to a gesture such as a hand wave. [c. 1900]

Example Sentences

You keep yer eyes peeled till I git back, and giv'm the high sign, d'yer hear?

From Project Gutenberg

His high sign to her was peremptory and unmistakable—Mr. Crowley had business with her!

From Project Gutenberg

Why doesn't some gay little lady just looking for a good time give us the high sign, the way they do in books.

From Project Gutenberg

I shake hands with the night watchman when he comes on duty and I'm here to give the milkman the high sign in the morning.

From Project Gutenberg

And when you're ready to have me operate—fifty-fifty—give me the high sign.

From Project Gutenberg