The destruction of a relationship (any kind, including marriage) by one person in one of two ways:

1. Knowingly blaming everything on the other person, projecting and using every single nasty thing one can think of to hurt the other and destroy the relationship willingly.

2. Unknowingly blaming everything on the other person, projecting and using every single nasty thing one can think of to hurt the other and destroy the relationship willingly.

The result of either of these 2 sub-definitions is the same: the other person (the victim of the Drive-by Breakup) is in the equivalent position of a drive-by shooting victim: lying on the side of the street, bleeding out and mortally-wounded
"Wow. That drive-by breakup was really bad!"

"Man, I'm telling you, it killed him. Drive-by breakups are no joke!"

"Watch out, you're headed for a drive-by breakup if you hook up with that person!"
by waterheart July 25, 2016
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When somebody (usually a girl or gay guy) has a breakup and they have a slumber party with one or a few close friends where they eat tonnes of icecream and fatty foods and bitch about their ex's or let out their emotions.
Amy: "Nicola...me and Jace broke up."
Nicola: "Oh my god are you ok? Thats it I'm coming over and were having a Breakup party, i'll get the icecream."
by XDaFenirX September 10, 2010
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The embarrassing misinformation that goes out to all your friends when one of a couple edits their Facebook profile, and makes a change in relationship status that isn't echoed by their Facebook-listed lover. Suddenly 235 people learn that "Suzie and Sally ended their relationship" and the commiseration starts pouring in.
Honey, did you really leave your wife of ten years, or is that just a Facebook Breakup?
by Miselaineous August 14, 2008
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Meeting your ex after some time has passed and comparing details about your current lives - there is always a winner and a loser in a breakup. If your life is going significantly better than your ex's, then you "win the breakup" Coined by the TV show How I Met Your Mother.
I ran into my ex Susan the other day - she's working at a Dairy Queen and got knocked up by some douche. I totally won that breakup.

Man, stop watching TV and go get a job or something. Don't you want to win the breakup when you meet Jen at this year's reunion?
by mowgli27 June 30, 2009
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A state of mind one is in after a breakup. Large life changing choices are made, though rarely followed up on. Upon reflection, one questions what the hell one was thinking.
Jill: Weren't you going to join the army after Alice left you?

Jack: I was, but it was just breakup bravado.
by Matthew A Connor January 22, 2014
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When you want to breakup with someone, but you start to remember all of the good memories you shared, and you think breaking up with them is not the best idea, even when it is.
Rob: I'm gonna break up with Jane.
Tahlia: That's a good idea.

*Later*

Rob: I don't think I'll break up with her, we've had so many good times together.
Tahlia: She's cheating on you, and she treats you like crap.
Rob: Yeah, but still..
Tahlia: Omg, you so have breakup goggles.
by patrick's star September 29, 2013
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A person who helps you make the right decision of breaking up with the person you are dating by giving you an objective opinion of how bad they are for you and by giving post breakup support.
I was thinking of getting back together with Laura but luckily I had Michele as a breakup buddy and she talked me out of it.
by Gimster November 14, 2006
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