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A person of Middle Eastern and Caucasion decent. Usually used as a comical, derogatory or racist term.
"Is Amera from Saudi Arabia or something?"

"No. She's a sand cracker. Her Mom is white."
by Pettywords August 13, 2011
A slur used to describe people with middle eastern origin, usually used in a racist way.
Black boy: Look at that sand cracker over there!
by Tr89 October 01, 2011
Someone of Asian or Oriental descent. Used particularly in a racist way.
John: That sandcracka just got into fuckin Harvard. Fucking sand crackers

Jay: Yeah man, fuck those sand crackers and their 4.0 GPAs.
by SRDS April 22, 2007