- The definition of bejesus is a word to use instead of "Jesus" to express surprise, anger or other negative feelings.
An example of a time when someone might shout "Bejesus" is when she sees that her spouse made a mess of the kitchen.
Bejesus, what a mess!
Origin of bejesuseuphemism for by Jesus
Origin of bejesusAlteration of by Jesus.
From by Jesus.