Originating from the mouths of people who are upset with their friends who are grossly making out. This terms applies to couples who french kiss and touch each other inappropriatly in front of friends, family or other public persons.
God! There they go again with the PDA. So gross!
by Team Strike January 09, 2005
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Public Display of Affection

Damn annoying cuddling,caressing,lovey-dovey smooching; actually any physical contact short the "fist-to-the-face" genre.Oh, right: in the presence of other living beings. Especially your friends! But animals count to, ya know. Spare the damn animals, you fiends! And the vegetation! LET GO!
Tommy and Gina are among friends, holding hands, staring into each other's eyes and slowly but OBVIOUSLY merging their two forms into one.
"eeeek! duck! run! PDA emergency!" rightfully cries observer James
by You Gotta Admit She's Right January 09, 2005
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Personal Digital Assistant, a small pocket size computer that usually runs calenders, phonebook, games etc. these days they even work as mobile phones, see smartphone. smaller than a laptop, bigger a mobile phone... often used with a "pen" or a mini-keyboard
i got a cool new phonebook for my PDA.
by deice May 27, 2003
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1. Public Display of Affection. (Isn't that self explanatory)


2. Please Do Again (What we say the meaning is when Teacher's refer to the #1 PDA)
"Please, no PDA in the halls."

"You do know that when teachers say PDA, they really mean please do again."
by laikomgurgay March 04, 2006
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Girl: PDA alert! Stay away if you dont want to be scared for life
Couple: Pfft, more action then youve ever gotten so fuck off.
by Jacie July 25, 2006
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