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Auditory Displays of Physical Attraction. Like PDAs, but behind closed doors with the sound making it clear to everyone in the building that someone is getting some action. After too many incidents becomes like an auditory version of PDA (Pathetic Displays of Affection), and often bears a result equivalent to PD-AIDS, except that no one wants to even live in the same structure after experiencing their ADPA.
"I thought the PDAs were annoying, but I gotta admit, the ADPAs are so much worse...
by sheboarder May 15, 2011
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