"Sa" is the shortest possible REAL last name known to man. It comes from the portuguese heritages, mainly from the islands of the Acores. Not many decendents of the "Sa" family still exist. Most of them are now found in current day american, in cities thriving with a portuguese population.

His last name is Sa, thats so cool!

by Dr. Freemont June 20, 2007

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SA

Abbreviation for "Stay Awake". It's an anonymous group of people. Tagged in places with the symbal of a ghost with the bottoms dripping down and with the letters "SA" or "Stay Awake" to the right or left of it, followed with your area code on the bottom of the writing. Has no certain colors and is not gang-related. Stay awake means stay conscious of your surroundings, environment, and society. Basically stay awake to what goes on around the world don't shut down and ignore everything. Is usually tagged in various places and is usually small.

SA.

by groupmember4382903412 June 3, 2009