kid stuff

American  

noun

Informal.

1. something appropriate only for children.

2. something very easy or simple.

---

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]

---

Etymology

Origin of kid stuff

An Americanism dating back to 1925–30

Example Sentences

“It was just kids doing regular rez kid stuff. I knew it was going to blow up.”

From Los Angeles Times

“It’s everything. I mean, I’m not gonna lie to you, having been a high-usage offensive guy my entire career, I mean, even when I was a kid, stuff like that, I kind of dreamed of those moments in terms of hitting the shot, not necessarily getting the block,” Dinwiddie said.

From Los Angeles Times

“Flying elephants on your lunch box, man. That’s little kid stuff.”

From Literature

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

From Slate

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