Just wanted to correct one thing in there. There's absolutely no way to steal clothing on Toontown. There is a bug that when you do certain things with the closet (such as removing it while a different toon is trying on your stuff), the toon wearing the items will keep it on, but the item doesn't belong to that toon and gets put back immediately into the owner's closet after certain actions that involve changing clothes. They're totally aware of this bug, but it doesn't threaten anyone's clothing supply.
There has never been a way to "steal" or trade items on toontown. There are ways to hack accounts (in which they can use your jellybeans and gift their characters using the your catalouge), but the items on your toon cannot be moved to another character. They can be deleted, moved, or stored into your toon's attic.
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Just had to get my former Toontown tester two-cents in
-Ren