The instantaneous "break-up" that occurs between two people the day after "getting together." This normally unspoken end occurs between people who have been "prom dating" or who have just engaged in a one night stand. This breakup is normally entirely mutual and amicable.

Could also refer to a rather malicious end initiated by one person to a brief, one night romance.
Person 1: Hey, what happened with that Alice girl last night?

Person 2: Eh, we had fun, but it ended with a wake-up break-up
by Praerk May 1, 2010
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The phrase 'wake up and break up' means when two people are together in a relationship but always fighting and complaining to their friends about their partners we would say they need to wake up and break up.
By: Kaylana
Person 1: John he is always so mean I don't know why I'm with him.
Person 2: Wake up and Break up!
by Kay_002 December 17, 2022
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