Top Definition
(noun)

Irrational fear of peanut butter sticking to the roof of your mouth. I shit you not. A fun word to use when you feel like skullfucking the stupid people with words they don't know.
Honestly, has anyone here EVER witnessed an actual case of achaributyrophobia? I would be perpetually amused and flabbergasted at such a thing.
by whatdoyoucare July 18, 2006

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