as kids in sunny scunny North Lincolnshire ,England, we used to say to friends , lend me your treader ... meaning lean me your bike .... you TREAD on the peddles to make it go ... hence TREADER ... lol
Kids that get driven out of the inner city to the more affluent neighborhoods during Halloween, in hopes of better candy and no razor blades in their bag.
"There's not a lot of kids that live in our neighborhood, but during Halloween we sure get tons of ghetto-treaters dropped off at the corner."