An Electronic Public Display of Affection. A public electronically mediated exchange, such as on Facebook, between a couple that evokes love or tenderness. Like regular PDAs, e-PDAs can potentially disgust everybody else not in the relationship.
A: Did you see Kristin's Facebook status update about how she had such a great time last night with Dan? Such an e-PDA.
B: Oh, and then Dan commented that he had a great time too. Ugh, get a room!