Related Clues:
- Frequently shared thing
- Piano-playing cat, once
- Twitter trending topic, maybe
- Cultural fad
- Lolcats, e.g
- Social-media phenomenon
- Repeating oneself in something that might go viral
- Fast-spreading idea
- Cooperative words
- Something trending online
- Repeatedly reposted item
- Image etc. that spreads rapidly on the Internet
- Many a Facebook repost
- Passing web fancy
- Enthusiastic ''I do!''