What does annus mirabilis mean?

annus mirabilis meaning in Urban Dictionary

The work where one over and over shoves there go up the another individuals anus.

annus mirabilis meaning in Etymology Dictionary

1667, Latin, actually "wonderful year, year of wonders," title of a publication by Dryden, with regards to 1666, that has been a-year of calamities in London (plague, fire, war).