Top Definition
The fear of peanut butter sticking to the roof of the mouth.
Eating a peanut butter sandwich is challenging for people with aracibutyrophobia.
by Zack Green September 05, 2004
Having a fear of getting peanut butter stuck on the roof of your mouth
"What are your fears?"
"I have arachibutyrophobia"
"Aw man that's rough"
by Oh Please Go Fuck A Cactus November 20, 2014

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