A severe case of diarrhea, commonly caused from eating tons of unhealthy food.
After eating 5 chili dogs back-to-back, Kevin had developed the most intense deuceitis of his life.
by emmaytrubl September 19, 2014
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The fear of defecating in another person's bathroom.
Kyle, afflicted with Deuceity, was deathly afraid of dropping mud in an unfamiliar woman's bathroom.
by bereloom May 7, 2014
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