(n) Open Door Dumping Policy. When a relationship between two people (normally a couple) has reached a point where they are comfortable leaving the bathroom door open and defacating within view of one another.
Guy 1: "Yeah man, Amanda and I have been going strong for a while now, we've got an ODDP."

Guy 2: "Wow dude, it might be time for you to propose."
by flydiver July 25, 2011
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