choo-choo

American  

[choo-choo] / ˈtʃuˌtʃu /

noun

1. a train.

2. the sound of a steam locomotive.

---

verb (used without object)

choo-chooed, choo-chooing

1. to make a sound like that made by a steam locomotive.

2. to travel by train.

choo-choo British  

/ ˈtʃuːˌtʃuː /

noun

1. a child's name for a railway train

---

Etymology

Origin of choo-choo

First recorded in 1900–05; imitative

Example Sentences

Then, she is on her way, leading a "choo-choo train" formed by a line of delighted children, sprinkling humour, happiness and even a little hope, but not the real aid they so desperately need.

From BBC

That aforementioned tune about a choo-choo ride to oblivion, “Desert Train,” feels like perpetual acceleration, somehow evoking the hormonal itchiness of ’80s hair metal without exuding a molecule of cheeky wink-wink.

From Washington Post

By stark contrast, no one these days runs screaming from a movie theater to escape certain ruin from the moving picture of an onrushing choo-choo.

From Los Angeles Times

He said the police department came into town and gave him a "choo-choo train" — and he still recalls that gesture of kindness all these years later, he said.

From Fox News

At one point, Carmello dances to “The Steam Train” with a locomotive “choo-choo.”

From New York Times