An amazing friend who will never let you down she has a big forehead but a big heart as well. She'll be by your side to support you no matter what

Short for advertisement.

Action verb: to advertise, as to expose to view by sight or cognitively.

AD stands for alcoholic drink

A fine ass female that will become someone. She is outgoing but will put you in your place if she needs to.

Annoying Douchebag Syndrome

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.