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Four stars that roughly form a cross. The stars are generally visible in the Southern Hempisphere.
The Southern Cross includes the closest star to Earth
by Zippy April 22, 2005
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The act of a man quickly switching from vaginal to anal sex without first warning his partner.
I was banging Lucille from behind last night, then I tried the southern cross. Boy did she scream!
by BigMacUSNA91 September 06, 2007
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"The southern cross isn't as bad as the Nazi Swastika like the NAACP says."
-me
by Dave February 23, 2004
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Crossing two of your fingers when fingering a chick. Hypothetically, any two fingers can be used, but using the third and fourth fingers with the third pointing up usually gets the best results.
Big L: I gave that ho the southern cross, and she screamed.

Nerd: Ah, yes. I am acquainted with the man who invented the Southern Cross. I believe it works by stimulating the G-spot continuously. But never having used it myself, I find myself a bit out of my element.
by John CAF October 30, 2007
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