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80's slang name for young south american gang from Eastlakes surburban Sydney a mix group of teens from Argentina Uruguay and Chile..
The southos from Eastlakes..
by cre8 February 08, 2010
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The southern most neighborhoods of Oceanside, CA. Also, an unofficial gang where you have to wear dickies, flannel/pendletons, white tees, and knee-high white socks.
I didn’t just grow up in Oceanside....I’m from south o.

Don’t let those guys into the party....they’re from south o.
by Gagabooey June 11, 2018
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