When the roof of your mouth gets all torn up after eating Cap'n Crunch or some other rough food.
I get Cap'n Crunch mouth after eating 2 bowls of that friggin cereal!
by Carla Reyes December 31, 2008
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When the roof of your mouth is shredded from eating food that is crispy or porous like some breakfast cereals.
I have Cap'n Crunch mouth from breakfast and the roof of my mouth needs time to recover.
by Bamafan1 October 12, 2011
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