(verb) The act of entering garbage dumpsters, often those closest to stores and grocers, in the hopes of finding and procuring food and/or merchandise that has been thrown away by the businesses. Acquired items are then either consumed or resold for profit. Possibly illegal in some states, dumpster diving has been given a bad wrap because of some divers lack of decent, courteous etiquette (i.e. throwing trash out of the dumpster and then never putting it back in the dumpster when finished.
Sometimes D.I. and Tonya would hit the jackpot when they went dumpster-diving. Why one night D.I. acquired a leather coat that the slick little bastard resold for some three-figured amount. Though frowned upon by some, dumpster diving could pay off beaucoup on some evenings.
Spending time going through sentimental items or messages in order to feel what you felt when you first received them. This is easily done through Facebook and Myspace, but can include going through messages/posts/comments on other social networking sites, emails, or old items in drawers in your room (e.g., that letter that your ex-boyfriend wrote you six years ago in which he swore he'd never leave you, although everyone and their mom knew he one day would).
April: "Where's Mike been? I haven't seen him in days!"
Chris: "He's probably hauled up in his room past diving again"
The process in which your booty is penetrated either by force or consensual pleasure. Probing the anus to its complete depth. Taking it up the rectum for medical procedures is also considered booty diving/ anal probing.