Related Clues:
- Far from scarce
- Like super-popular YouTube clips
- Like some videos
- Like YouTube videos gone wild
- Very common or frequently occurring
- Unchecked (and violent?)
- Go ___ (take off via the internet)
- Quite popular, in cyberspeak
- Of organisms that transmit infectious disease
- Spreading like wildfire, as online videos
- Very popular, on YouTube
- Widely prevalent
- Like the 'Gangnam Style' video
- How popular videos go
- Quickly popular, on YouTube