the title of a online gamer that completely dominates all. PSA is known to me the most skilled arcanists player. PSA is shifty and genius and is able to defeat any challenger. Psa is a symbol of legitament ownage and is the best example of an Arch Mage
dude, I do not wana play psa, he will completely own me.

ex2: this guy is probly psa, he is too good

ex3: that noob is just a psa poser...
by Mod Thomas April 21, 2009
Top Definition
Publice Service Announcement. Rarely used as an acronym.
This following snow warning is a public service announcement.
by Naugahyde March 06, 2004
A protein made specifically by the prostate gland -- Prostate Specific Antigen. It is measured by a blood test, and is used for screening for prostate cancer and checking for the results of treating that disease.
James saw his doctor today, since he was upset that his PSA was over ten thousand (normal is up to four). Then he went to make final arrrangements.
by Dr. Rosebud July 02, 2005
Pacific Southwest Airlines headquartered in San Diego, California. Featured Smileliners (Airplanes with smiles painted on the nose). Purchased by USAir in 1987
"PSA, Catch our smile!"
by uva185 May 04, 2006
Profound and Sincere Apologies
For use in emails, "I completely messed up PSA"
by Emmsb January 12, 2011
Personal sale assisant
This PSA told me I should upgrade my computer instead of buying a new one.
by Alexandre22 November 17, 2007
Parts and Service Agreement
"Did my boss give you a copy of the PSA that our new vendor signed this morning?
by ffmcobalt July 27, 2005
Proud Sluts Association
Sara:"Did you look at Valerie today?"
Nicole:"Yeah she looks like a member of the PSA"
by nikki_18 June 24, 2010

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