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1 definition by jewleek

 
1.
A stomach ache brought on by the consumption of large ammounts of gummy worms, gummy bears, and/or other gummies.
Gummy tummy has a distinctive feeling, unlike that of any other food related stomach ache.
Mark ate a whole tub of gummy worms. Dude had severe gummy tummy after that.
by jewleek April 08, 2010