Public Display of Affection. When people display "affection" in the viscinity of other people. Hugging or more, usually. Why does everyone think it's gross or that people shouldn't do it? I don't know. They obviously don't believe in love. People shouldn't have to hide their love.
Girl 1: Eww that's a PDA right there! Get a room!!!
Girl 2: Shut up, it's romantic.
by Mark February 2, 2006
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something that people enjoy doing but if i see it the mf is gonna hear *BEEP BEEP* PDA POLICE *BEEP BEEP* "MOVE THE FUCK AWAY"
Colby-Hey look, theyre touching and making out with eachother
Me- *BEEP BEEP* nope move mf no PDA allowed
by HannahIsSpicy April 4, 2018
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When estimating dates for a project, a wild guess, usually inaccurate.

PM: “Where did you get those dates on the status report?”
Engineer: “I PDA’d them, don’t trust them at all.”
by Random PM April 10, 2007
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"PDA" Public Display of Affection, This term is used by young teenagers who like to hold hands, hug, kiss, make-out, ect, in the eye's of the public includes, Citizens, techers, parents (perhaps). This term can also be used to describe anger in example Public display of anger, or art, aardvark (publicly displayed aardvark).
1. "At the party Laura and Paul had to much time for PDA and not enough time for partying."
by Erki July 12, 2006
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ENFP Kelly met her INTP boyfriend, Brian at the boathouse after spring break while waiting for crew to start. Because they hadn't seen each other for a week, she hugged him. Brian was initially hesitant about her PDA, but gave in, although he was somewhat happy and sad when she detached.
by kalrocky July 12, 2009
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1) Public Display of Affection: an act of affection with your significant other in a public place, such as kissing, touching etc
2)Privates Display of Affection: affection conveyed through one's genitalia (basically sex)
3)Personal Digital Assistant: a smart device normally running an OS like Windows or Android, basically a smartphone that can't phone
1) Ugghh, Katie and Jamie kept doing PDAs when we were hanging out yesterday
2)Netflix? Yeah right, they've gone back to his place for PDA
3) Hey guys, check out my new PDA!
by Legoman127 September 21, 2016
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