Related Clues:
- Much-reshared post on social media
- Trending thing
- Fast-spreading fad
- Cultural feature passed on by imitation
- Volunteering words
- Idea that spreads popularly and widely
- 'Thanks, Obama,' for one
- Fifth wheel's offer
- Keyboard Cat, e.g
- Response to 'Who wants to go?'
- 2018's debate over 'Yanny or Laurel,' e.g
- Something that goes viral
- Willing offer
- One gets shared a lot
- Ridiculously Photogenic Guy, for one