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1.
a baby of middle eastern origin, a baby thats born in sand
"look at that little sandbaby, he's going to grow up to be a great terrorist"
by ciscokid1994 February 14, 2011
 
2.
When an illegal immigrant from Mexico runs to the border while pregnant and accidentally has a baby in the sand.
Person 1: "Is she from the US?"
Person 2: "I'm not sure, I heard she's a sand baby."
by TheMasterOfBates June 28, 2011