Pocket Mooch

When someone lacking pockets puts their personal items (Cellphone, Change, etc.) into the pocket of another individual. Could also be called a bag mooch if a purse or other bag-like carrying device is used in place of a pocket.

1. Dude, I have to break-up with my girlfriend. She is such a pocket mooch. My pockets are always weighed down with her stuff.
2. Hey. I forgot my purse at home. Mind if I bag mooch?