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"The" former girlfriend that you went out with for a long time, should have married but didn't, and today is the object of your secret, social-media only tryst. I mean, after all, you never see her anyway, even though you wish you could.
G: "Been in touch with Lucy?"
B:"I haven't seen her in years, man. Why would you ask me that?"
G: "Dude, everyone knows she's your ex-girlwife."
by Sticky AKA January 22, 2015
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