open pad. a party spot (typically a house) lacking authority figures that wouldn't allow said party.
yo jeremy's got an OP tonight so we can go drink there.
by op king July 28, 2008
(n) Order of Protection
When I found out my wife was getting it in the ass from some dirtbag, I got mad and she got an op and had me kicked out of my house, that whore.
by Hugh Jass July 11, 2003