| Answer | Crossword Clue |
|---|---|
| VIRAL | Fast-spreading |
| EPIDEMIC | Spreading fast |
| VIRAL | Spreading fast online |
| MEME | Fast-spreading idea |
| FORESTFIRES | Fast-spreading blazes |
| PANIC | Fast-spreading emotion |
| VIRAL | Spreading fast on YouTube |
| VIRAL | Fast-spreading, in cyberspace |
| MEMES | Fast-spreading Internet phenomena |
| MEME | Internet ..: fast-spreading item |
| MEME | Fast-spreading cultural idea |
| MEME | Fast-spreading Internet phenomenon |
| VIRAL | Fast-spreading, on the Web |
