Others include coulrophobia (clowns), consecotaleophobia (chopsticks), pteronophobia
(being tickled with feathers), arachibutyrophobia (peanut butter sticking to the roof of your mouth) and pentheraphobia (mothers-in-law).
In between are ranidaphobia (fear of frogs), pteronophobia
(fear of being tickled by feathers), genuphobia (fear of knees) and the wonderful Walloonphobia (fear of the Walloons).
The fear of being tickled by feathers may come from childhood, as an unwilling victim.
e fear of being tickled by feathers is a phobia picked up in childhood, especially if someone is tickled against their will.