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Urban Decay Primer Potion. A Cosmetic. Eyeshadow primer that allows for smoother eyeshadow application and longer wear, also liquid crack for girls.
Girl#1: I am so sad and depressed!
Girl#2: Hey did you use your UDPP yet?
Girl#1: No...I am trying to cut back...
Girl#2: It will make you feel good
Girl#1: Well....ok

*Uses UDPP*

Girl#1: Hey slut lets go fuck some random dudes!

by frydryce May 31, 2009
Urban Dictionary Party Pooper: one who takes urban dictionary too seriously and puts the actual definitions of everyday words.
Stop bein a fuckin UDPP... lets define a Whale Tail.
by fun sucker(sun fucker) September 30, 2010