Naughty By Nature - O.p.p. (official Music Video) Direct

While the group often used the "diplomatic" meaning of to avoid radio bans, the song’s lyrics and the artists themselves have clarified the more explicit intent:

Naughty by Nature's remains one of the most clever crossover hits in hip-hop history, masking provocative themes of infidelity with an infectious, piano-driven groove. Released in 1991, the track became a cultural phenomenon, peaking at #6 on the Billboard Hot 100 and popularising its eponymous acronym as a national catchphrase. The Acronym Mystery Naughty by Nature - O.P.P. (Official Music Video)