The guy sitting in front of Debbie on the plane chummed into the blanket. Debbie had to go to the back of the plane and get out of sight of the incident because she is so chumaphobic.
Eg1: Jarren refuses to go to Comicon because he is chomophobic.
Eg2: Sarah, 13, was given pepper spray in case she encounters Rodney, 23, who has been trying to hit on her. “Why are you so chomophobic dad?” She says.