year dot

noun

noun

Ireland, UK, Idiomatic A very long time ago, from the beginning or as far back as one can remember.

That hat dates from the year dot.
Disk interfaces have been around since the year dot, as people soon realised that the microdrive was unreliable, unstable and generally rubbish for the storage of anything, useless except as a rather small beermat.1989 June, Phil South, “Rage Hard”, in Your Sinclair magazine, archived from the original on 10 Mar 2012:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.