Related Clues:
- A gazillion years, seemingly
- Seemingly endless time
- Many a doctor's office wait, seemingly
- Long, long time for a Brit?
- Billion-year span
- Twenty bajillion years
- A long time (var.)
- Millions of lifetimes
- Long, long time period (var.)
- Great geological time span
- Geological age
- "___ Flux" (Old MTV cartoon)
- Quasi-opposite of ''flash''
- Proterozoic ___
- Multiple millennia