Top Definition
In the same vein as the cinnamon challenge, the Sweet 'n' Low Challenge requires someone to down a whole packet of Sweet 'n' Low artificial sweetener and try not to gag on how disgusting it is.
COURNTEY: "Kellen just did the Sweet 'n' Low Challenge!"
SARAH: "Yes, I could tell by the look of pain on his face as he fell to the ground coughing and desperately called for water."
by mamakangaroo December 03, 2011

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