puff-puff

Its puff-puff rocket exhaust in the vacuum of space!

Lion Annual 1957 Adam Roberts 2010

The wireless would be referred to as "the puff-puff radio", while a contributor's availability would be greeted with: "Barkis is willing, Barkis is willing."

'Under the briskness, he was a softie' | Julian Barnes 2010

Its puff-puff rocket exhaust in the vacuum of space!

Archive 2010-04-01 Adam Roberts 2010

It was a steady "puff-puff," and then the darkness was cut by a glare of light.

Tom Swift and His Motor-Cycle, or, Fun and Adventures on the Road Victor [pseud.] Appleton

"What a funny puff-puff!" exclaimed Fidge, when, all of the creatures on the platform having entered the train, it slowly steamed out of the station, while the Porter took down the candlestick signal and carefully extinguished the light, remarking aloud, as he did so, "Well, thank goodness, _they're_ gone!"

Dick, Marjorie and Fidge A Search for the Wonderful Dodo

"I want to be the steam, and go puff-puff!" cried Freddie.

The Bobbsey Twins in Washington Laura Lee Hope

No sound stirred in it but the King's footsteps and the puff-puff of sand against the colored windows.

The Golden Apple Tree 1920

I have been told by an Englishman that English babies do not say choo-choo to designate a railroad train, but puff-puff.

Chapter 4. American and English Today. 2. Differences in Usage Henry Louis 1921

Tim took his light from it, said "Thanks!" briefly, and -- puff-puff -- contemplated the boss's stout henchman in the rusty clothes, who was still standing irresolutely at one side.

Sonnie-Boy's People 1912

Porters and trainmen tumbled off, and with a long hiss of escaping air and a steady puff-puff, the train stopped.

The Calling of Dan Matthews Harold Bell Wright 1908