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10 August 2010
If you eat a blue M&M on one side of your mouth, it will turn half of your tongue blue.→[More:]Orange also works, but not as well.
I was eating pretzel M&M's when my tongue turned blue. I didn't notice because, well, I can't see my tongue without a mirror. My friends were like, "OMG WHAT IS WRONG WITH YOUR TONGUE!?" So we experimented with the orange M&M and then took the picture.
The pretzel M&M's are awesome and I highly recommend trying them to anyone who hasn't already.