Public Display of Affection, notably lee lyons spinning his girlfriend around and showing the room her boobs and generally showing off to everyone that he has one.
PDA or 'Pure Driving Ability' relates to the Nintendo 64 game 'Mario Kart 64'. If a player is said to have PDA, it means he is a player of a very high standard, capable of boosts from powerslides and with the ability to achieve 'gappage' (or PUG, Pure Unadulterated Gappage).
A player of extraordinary Mario Kart prowess may be stated as having APDA, or Advanced Pure Driving Abililty. Player of this standard are very rare.
'I would have won that race if it wasnt for Ocy's PDA!'
A hand-held electronic device used by yuppie twits to draw attention and admiration to themselves at meetings. Although the device does little more than a notebook and pen, yuppies and soccer moms are very impressed by them.
Scrodney was the center of attention with her new PDA. All the yuppies were very excited about it, and Scrodney scored many points.