kid stuff

American  

noun

Informal.

1. something appropriate only for children.

2. something very easy or simple.

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kid stuff Idioms  

1. Something very easy or uncomplicated, as in That new computer program is kid stuff. This usage alludes to something suitable for young children, or “kids.” [c. 1920]

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Etymology

Origin of kid stuff

An Americanism dating back to 1925–30

Example Sentences

They were in Maggie’s new living room, amidst a wreckage of kid stuff: picture books, Barbies, a carton of Goldfish.

From Slate • Mar. 25, 2023

She loves cabinets with baskets to corral the kid stuff and says, “Every family should have a storage ottoman,” or at least a low, scratch-proof coffee table with rounded edges.

From Seattle Times • Jan. 13, 2023

“Even when he was just a kid and did kid stuff, he knew what he wanted. He wanted to be the best quarterback there was.”

From Washington Post • Nov. 25, 2022

As a child, I thought the older guys were trying to get me to toughen up and not watch cartoons because that was kid stuff.

From Salon • Aug. 5, 2022

“Don’t tell me you actually believe all that kid stuff about the Divergent.”

From "Insurgent" by Veronica Roth