the irrational fear that you will be unable to access a restroom because of extenuating circumstances, such as a full pew at church or a longline at a bar
Driven by her pewaphobia, Susan made sure to use the restroom three times before church.
Actually, pedo is a derivation of latin word "paedo", while means children. Therehence, a pedopobic person has a fear of children. More correctly, this is spelled and pronounced paedo, not pedo, which is a form of transport.