A small child.

Kidlet
Plural Kidlets
Another word for children, kids also used to express a name for older people that you know well.

an obnoxious fat kid

When you are only wearing one knee pad when you are takin a picture with somebody else that has both of them on.

A meal the McDonald's people are considering adding to their menu. It is like a chicken nugget exept instead of a hunk of unidentified chicken-like something in the center it has a piece of a little kid (deep fried, of course).

The kid version of a pimp