Define Dealbreaker Meaning

Dealbreaker
Children. Single folks, you know what I'm talking about.

No, no, you're really sweet, but I didn't know you had six kids. That's a total dealbreaker. Sorry.
By Eunice
Dealbreaker
A term popularized by Liz Lemon from 30 rock which is used to describe the event which led to a breakup with someone or something (ie. Brand loyalty)

"What happen, did the relationship suck?"
-Esposito
"Dealbreaker. She wanted to have sex in a Coffin"
-Ryan
(From the TV show castle)

"I loved Microsoft, but Windows Vista was the dealbreaker for me.
By Daffie
Dealbreaker
A word used to describe the eligibility of a friendship or relationship based on one trait or preference of the other person. Can also be used if you don't agree with someones views.

John: "So whats your least favorite band?"
Jill: " It would have to be Arcade Fire."
John: "Wait...What? You don't like Arcade Fire? Thats a dealbreaker."
OR
Billy: "Favorite Modern Warfare 2 class?"
Johny: "Well, I usually have the UMP .45 with a Silencer, Desert Eagle with a Tac knife, Marathon Pro, Lightweight Pro, and Commando Pro.
Billy: "Woah man. Way to be a noob. We aren't friends anymore, thats a dealbreaker."
By Sibeal