Definition of “back in the day” - English Dictionary

british dictionary

“back in the day” in British English

See all translations

back in the day

used for talking about a time in the past, usually when you are remembering nice things about that time:

Back in the day, we had an apartment with a swimming pool.

(Definition of “back in the day” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)