Kid

Someone who is below you in the "food chain" of your high school, hangout, workplace, neighbourhood or household, even if they are older than you. As well as anyone younger or smaller than yourself, or inferior to you.

Example 1
Tommy:"Kid I'm gonna' knock ya out!"

Charlie:"Fuck you kid!"

Example 2
Billy:"Hey kid! Gimme' a smoke."

Kevin:"uh, okay."