Top Definition
Publice Service Announcement. Rarely used as an acronym.
This following snow warning is a public service announcement.
додав Naugahyde 6 Березень 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.
додав Dr. Rosebud 2 Липень 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!"
додав uva185 4 Травень 2006
Profound and Sincere Apologies
For use in emails, "I completely messed up PSA"
додав Emmsb 12 Січень 2011
Personal sale assisant
This PSA told me I should upgrade my computer instead of buying a new one.
додав Alexandre22 17 Листопад 2007
Parts and Service Agreement
"Did my boss give you a copy of the PSA that our new vendor signed this morning?
додав ffmcobalt 27 Липень 2005
Proud Sluts Association
Sara:"Did you look at Valerie today?"
Nicole:"Yeah she looks like a member of the PSA"
додав nikki_18 24 Червень 2010

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