kid's stuff
idiomPart ofkid
kid's stuff — idiom
1. something so easy or simple that it is suitable for children, or is not worth ta
1.idiom
Definition
something so easy or simple that it is suitable for children, or is not worth taking seriously.
Example
After years of training, that puzzle was kid's stuff for the chess champion.
Some adults think playing video games is kid's stuff, but they are wrong.