1 definition by LeoTheLaugher

The opposite of Ex, as applied to ex-girlfriend or ex-boyfriend. Derived from the Latin - Ex is From, Ad is Toward. Do your ad-girlfriend is the lass you've starting dating, but aren't ready to call your girlfriend.
I'm off out with the ad tonight - 3rd date, you know what that means!
by LeoTheLaugher March 8, 2018
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