old chap

American  

noun

Chiefly British: Older Use.

1. (used in informal direct address to a man of any age.)

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Etymology

Origin of old chap

First recorded in 1815–25

Example Sentences

I say old chap, there would appear to be some digits transposed here.

From New York Times • Nov. 10, 2017

One old chap told me straight: the spark that was there in print didn’t exist in person.

From The Guardian • Dec. 17, 2016

And so whatever epiphany may be in store for this annoying character is - sorry, old chap - rather too little, and too late.

From Washington Times • Sep. 3, 2014

The old chap there looked at it and told me there was no way we could pull it out, because it would do too much damage.

From BBC • Nov. 19, 2013

That ain’t the way to get out of being common, old chap.

From "Great Expectations" by Charles Dickens