choo choo

noun

informal
1
or choo choo train : a railroad train
—used by young children or by adults speaking to young children
Here comes the choo choo!
2
: the sound a train makes
—used by young children or by adults speaking to young children

Examples of choo choo in a Sentence

Recent Examples on the Web
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The music supervisor queued up the choo choo of a freight train, the clanging of an old-timey clock, and a chorus of pigeon coos. — Rachel Syme, The New Yorker, 18 Sep. 2023 So yeah, the Roman Empire choo choo train comes around, usually more than once per day. — Ej Dickson, Rolling Stone, 16 Sep. 2023 Mark and Nani performed larger illusions such as placing her within a prop that looked like an old-fashioned choo choo train, and with the help of Rebo the clown, Nani would soon be miraculously separated into two parts. — Joe Goldblatt, Dallas News, 20 Aug. 2021

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Cite this Entry

“Choo choo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/choo%20choo. Accessed 29 Sep. 2026.

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