- VIRAL
- In everyone's feeds
- Spreading very quickly
- Seen by millions
- Super-popular, on YouTube
- Like a cold bug
- Fast-spreading
- Like Internet memes
- Like hot YouTube clips
- Very popular, online
- All over the place
- Very popularly watched
- Like some infections
- Like the flu
- Adjective for a head cold
- Not bacterial, perhaps
- Like a popular YouTube video
- Like some Internet videos
- How some videos go, nowadays
- Very popular, in cyberspace
- Fast-spreading, in cyberspace
- Like super-popular videos
- Like some wildly popular videos
- Spreading quickly, as a marketing campaign
- Infectious
- Type of infection
- Pneumonia type
- Like some computer problems
- Like some computer woes
- Like colds
- Bug-related
- Like measles
- Like megapopular web videos
- Like YouTube videos gone wild
- Like super-popular YouTube clips
- Like some ALS Ice Bucket Challenge videos
- Spreading like wildfire, as online videos
- Like much invasive software
- Like some popular videos
- Like fast-spreading TikTok videos
- Like some modern marketing
- Fast-spreading, on the Web
- How popular videos "go"
- Widely seen, in a way
- Fast-spreading on YouTube
- What some YouTube videos "go"
- What Web videos might "go"
- Epidemiological adjective
- Fast-spreading, as a Web video
- Like German measles
- Like shingles
- Like some word-of-mouth marketing
- Of an infection
- Kind of pneumonia
- Of a disease germ
- Of inflective agents
- Like flu
- Like measles, mumps, etc.
- Of an infectious agent
- Pertaining to an infective agent
- Of a flu bug
- Kind of infection
- Like some diseases
- Like some illnesses
- Like some bugs
- Like the mumps
- Like rabies
- Like some YouTube videos
- Spreading fast on YouTube
- Like some marketing
- Like some videos
- Like the "Gangnam Style" video
- Go ___ (spread online)
- Spreading like wildfire
- How some YouTube videos go
- Rapidly spreading over the internet
- Go ___
- How things might go on the internet
- Blowing up online
- Like some modern videos
- Like mumps
- What "Gangnam Style" went
- What hot music video will go
- All over the Internet
- Type of pneumonia
- Like a popular Internet video
- What some popular videos go
- Like popular videos
- Like a hot online video
- Spreading rapidly on the internet
- Widespread on the web
- Very popular, as an online video
- Spreading rapidly, say
- Type of flu
- ____ pneumonia
- Spreading fast online
- Go ___ (become a meme)
- How some videos go
- Like popular YouTube videos
- Rapidly spreading online
- Blowing up on TikTok, say
- Like widely shared memes and videos
- Like some online videos
- Having millions of views, perhaps
- All over the Net
- All over the web
- Rapidly spreading
- Like many a meme
