kiddo

[ kid-oh ]

/ ˈkɪd oʊ /

Informal. (used as a familiar form of address.)

Origin of kiddo

First recorded in 1880–85; kid¹ + -o

Sure, he rambled some, teared up and kept calling his wife “kiddo.”

Joe Biden’s Happy Warrior Speech |Michelle Cottle |September 7, 2012 |DAILY BEAST
"That shows there's one thing about scouting you don't know, Kiddo," I told him.

Roy Blakeley's Camp on Wheels |Percy Keese Fitzhugh
And if ten dollars means anything to you, kiddo—look this over.

The Woman Gives |Owen Johnson
What do you say, kiddo, shall we hit it up for Nyack to-night or camp along the river?

Tom Slade at Temple Camp |Percy K. Fitzhugh

“Ay bane looking for your razor, kiddo,” said Hulda deferentially.

The Shriek |Charles Somerville
Doc looked up at me and he said, "It isn't bad, kiddo, don't worry."

Roy Blakeley |Percy Keese Fitzhugh