puff-puff

British a children's name for a steam locomotive or railway train

Words nearby puff-puff

Then he began to jump up and down on the top of me, and explained that he was “riding in the puff-puff.”

Boycotted |Talbot Baines Reed
The chatter of the gasoline engine came to her faintly, puff-puff.

Rebecca's Promise |Frances R. Sterrett
It was a steady "puff-puff," and then the darkness was cut by a glare of light.

Tom Swift and his Motor-cycle |Victor Appleton
My nurse—an egregious female—had previously remarked, "The dear child do take such notice of the puff-puff!"

Wandering Heath |Sir Arthur Thomas Quiller-Couch

The steady chug-chug and puff-puff of the motor was heard as the adventurers moved on up the mountain.

The Motor Boys Overland |Clarence Young