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1.
PDL
acronym meaning peter (penis) drag lips .. not power door locks. similar to DSL (dick sucking lips) but normally in this instance talking about a big lipped guy.
wow did you see the PDLs on that poor bastard .. looks as just dragged a cock freshly out his mouth.
by Slammy28 October 18, 2010
 
2.
PDL
acronym standing for Public Display of Loserness derived from PDA
Hillary is always showing PDL and embarrassing her friend.
by embarrassed friend December 26, 2010
 
3.
PDL
Post Dump Levity: The physical sensation of relief and/or release resulting from a much-needed stool dropping. The ensuing comfort makes one feel lighter, accompanied by alacrity of movement, and the perceived ability to jump higher.
John Doe: Coffee doesn't always make me feel this way, but man, I feel like 10 pounds lighter.
Jim Doe: You got PDL?
John Doe: You know it.
by drovalo September 01, 2010
 
4.
PDL
i.e. Permanent Down Low --> To keep something quiet forever
Yeah, there's gonna be drinks, but my parents will be there so we gotta keep it PDL.
by Superace June 17, 2005