8
Completely meaningless phrase which has gained mysterious global popularity. It means "Once, I..." or "I used to..." but is uglier and lazier. Similar to the equally meaningless "at the end of the day..." popularised by English soccer stars.
Back in the day, I used to be younger.

I was a child once, back in the day.

by hunthill August 16, 2006
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9
Completely meaningless phrase which has gained inexplicable global popularity. It's an incomplete thought: Back in what day? It's a redundant way of saying "Once, I..." or "I used to..." and adds words without adding any extra meaning. Similar to the equally pointless "at the end of the day..." popularised by English soccer stars.
Back in the day, I used to be younger.

I was a child once, back in the day.
by hunthill August 18, 2006
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10
We be pimpin' like mac daddies back in the day!
by Arasset October 04, 2003
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11
by mandingoe August 23, 2004
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12
Referring to a time period, at the very least, 2 years ago.
Guy: Remember that baby you had back in the day?
Girl: You bet I do. That was like 2 years ago.
by T_Thisse May 03, 2011
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13
As in yesterday. Ironic usage of an older expression. Making reference to our collective short term memory. The constant churning of events from the present into the bin of discarded Time magazines.
Back in the day there was a future that is now old news.
by yo-haan June 20, 2004
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14
Used in conversation to recall and discuss to a past memory. Back in the day is only to be used for events twenty years or greater in the past.
by ctgeek71 July 31, 2008
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