In forums or chat rooms, the phrase could serve as a lighthearted warning to avoid posting controversial content ("Don’t let your profile float to the surface!").
If you’re an OK.ru user seeking to "go stealth": down periscope ok.ru
OK.ru (Odnoklassniki) is a Russian social networking service popular in the CIS region. It has become a well-known repository for video content, particularly full-length movies and TV shows. In forums or chat rooms, the phrase could
The phrase "Down periscope OK.ru" could stem from several angles: If you’re an OK