the year dot

Meaning

1. a very long time ago

   I've been going there every summer since the year dot.

From the same entry

• man, woman, car, of the year
• not in a hundred, years
• put years on
• take years off
• year after year
• year by year
• year in, year out
• year of grace
• year on year
• of advanced years
• declining years
• donkey's years