a city in lower Alabama. Located in Covington county, Opp was founded in 1901 and is named after Henry Opp. Henry Opp was a lawyer who successfully won a case allowing L & N Railroad to build a turnaround point in what is now Opp. Opp, AL has a population of around 7000. It is home to the Rattlesnake Rodeo, an annual event that draws some 30,000+ around the first weekend in April.
by cleehbo February 3, 2010

by Phuyuck '74 January 21, 2004

One Penis Policy. An open relationship where a man has multiple girlfriends and they can see other women but not men.
No, you can't get with her. Her bf has an OPP.
by epsalon1 June 8, 2016

Other People's Property. A woman who is already married, so you can't (legally or morally) fuck her.
by GuidoPosse69 January 31, 2005

A stupid girl named poppy who did the remove the first and last letter of you name challenge on TikTok
Opp
by Ye ye SQUIDWARD June 18, 2020

by Anonymous February 20, 2003
