Noun- A preemptive song changer. Usually accompanied with alcohol, or a short attention span.
Party Go-er # 1 - "Man I liked that last song, but I only heard the first 10 seconds. "

Party Go-er #2- "This A.D. Dee Jay is ruining my buzz, go take his I-Pod away."
by S-am May 13, 2007
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The day we move to the moon. Party is at 8, aliens cost 2 quintillion dollars to get in, humans? Dead.
Alien: When is the party?
Humans: July 7, 7700 A.D. see you soon *sun swallows the earth*

Alien: 👽🤟⭐️⭐️
by NYcityrat December 17, 2019
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A question that asks if a society or group is going to join the modern era (A.D.) with technology and advanced ethics or if they are going to live in the Bronze Dark Ages (B.C.) with immoral values such as stoning people to death. A choice between embracing the modern world fully rather than keeping one hand on advanced technology while being barbaric with the other hand. The choice to advance all aspects of a society rather than just the military. Modernization of only some aspects of a society doesn't mix with keeping backwards with the rest, as it just doesn't work.
"It comes down to this Iran, you have a choice to make. do you want the world to be comfortable with you having nuclear weapons or are you going to keep stoning people? Are you gonna go A.D., or are you sticking with B.C.? Cause you're not allowed to be that modern and that primitive at the same time! You have to choose, they don't work together. It's the reason you never see anyone riding a Segway with Fred Flintstone Wheels."- Jon Stewart, The Daily Show, 8th September 2010.
by pwvl September 15, 2010
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The scientific principle of food or other creations looking really unappealing and otherwise grotesque, but the creator being unable to see this due to it being their creation.
Daniel: “That looks really gross Archie.”
Archie: “No it doesn’t!”
Daniel “It’s the A.D. Langley principle.”
by Rhino2871 December 25, 2022
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Person: hey alexa
Alexa: what?
Person: what's nine plus ten?
Alexa: 21
Person: wow you're a A.D
by Djdkxjd November 8, 2020
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They know that they are the best smash bros player
Person 1:did you know that alex got clapped my A.D

Person 2:yes and andres got combo on
by AD Ricardo August 23, 2021
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