kid stuff
noun1
US, Informal Something done by, used by, or characteristic of immature people, especially children.
- The scene on television is of a boy's bedroom. The camera pans slowly across ageless kid stuff: baseball cards, posters, clumps of dirty laundry.1993 December 16, Patricia Davis, “Does Johnny Have a Gun?”, in Washington Post, retrieved 28 Jun 2017:
- If spitting is supposed to scare the opponent, it fails miserably. . . . It's not only unhealthy and silly, it's schoolyard kid stuff.2007 November 23, Jack Wilcox, “Hawking Night In Canada”, in The Star, Toronto, Canada, retrieved 28 Jun 2017:
1 more example
- The kids know we are both there and committed to them, and they don’t live in a warzone. They seem happy, have friendships, do kid stuff.2016 January 9, Sarah Thompson, “'Why I'd support my daughter if she wanted to be a single mum like me'”, in Telegraph, UK, retrieved 28 Jun 2017:
- It's kid stuff to barrel along in a car like a big shot. I kept the needle right on fiftyfive.1949 January, John D. MacDonald, "Three's a Shroud" in New Detective (republished as "Verdict" in More Good Old Stuff, 2014)
- For our second Teton expedition, we decide, enough with the kid stuff. We settle on a six-mile hike up to Taggart and Bradley lakes2006 September 17, Susan Morse, “In the Tetons, Claws for Concern”, in Washington Post, retrieved 28 Jun 2017:
1 more example
- If a skier just holds his body still, the rotational momentum will result in a triple flip in layout, or nontwisting, position. While it looks death-defying, that kind of jump is kid stuff to a judge.2010 February 1, Henry Fountain, “Science: Up in the Air, and Down, With a Twist”, in New York Times, retrieved 28 Jun 2017:
- Synonyms
- child's play