Top Definition
PNA
pretty naughty angel
She's a pna - She's a pretty naughty angel
by DannyDK March 11, 2008
7 more definitions
Proceedings of the National Academy of Sciences, a prestigious scientific journal with an extremely unfortunate acronym.
Scientist #1: Hey, could I take a look at your PNAS?
Scientist #2: Sure, as long as it's for science. <unzips pants and whips it out>
Scientist #1: GOD NO WHY I meant your Proceedings of the National Academy of Sciences!
Scientist #2: Oh, ok, sorry. Huh, that's the tenth time that's happened this week.
by Foodinator November 06, 2013
pna
player dna; what makes a character a character in an MMORPG/mud/mush/etc.
P1: How do you cast purple fireballs?

P2: it's in my pna.
by phillydrifter June 12, 2006
PNA
short for pretty naughty angel
She's a pna - She's a pretty naughty angel
by DannyDK March 12, 2008
Psychiatric Nursing Assistant.

Someone who takes care of developmentally challenged people for a living, and assists in their daily life.
P.N.A's do all the dirty work.
by plap2 November 21, 2008
Take a guess. Look at all the other entries beginning with "p" and sounding vaguely like "p-nas" and just guess what this one means.
I didn't think there could be one more juvenile synonym for penis on UrbanDictionary until I saw the entry for "p-nas."
by g-nas June 13, 2008
pna
wat alex has in his pants
alex has pna in his pants
by josh kupper May 09, 2005

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