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1. The day when you unfriend a person on Facebook, unfollow someone on Instagram etc.
2. The day that you break up with someone.
Example 1:
Person 1: What happened to Lanna? She is no longer on your friend list.
Person 2: Yeaaa. Well her best before date was 12 August 2019.

Example 2:
Person 1: Are you still with Rach these days?
Person 2: Nah, her best before date was 10 July 2019.
Person 1: What are you talking about?
Person 2: *explains using this definition*
by PleasantOne August 16, 2019
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2
The date when a product might lose taste but won't poison you after you eat it.
Guy 1: We gotta throw out the cake
Guy 2: Dude, it's two days past the best before, it won't kill you.
by The Man with the Golden Gun January 13, 2013
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