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1.
When one is mowed down by a hail of gunfire.

Origin: In 'Black Hawk Down' all those people get shot while trying to get to the food truck, which, I believe, had rice on it. This guy my friend knows made it up.
"Those black guys in Harlem were messing around in the street again and some innocent white child got riced." -A Klansman
by Evan March 26, 2003