Has nothing to do with religion:
Dictionary
bejesus (bɪˈdʒeɪzəz)
interj
an exclamation of surprise, emphasis, etc, regarded as a characteristic utterance of Irish people
n
the bejesus (intensifier) used in such phrases as beat the bejesus out of, scare the bejesus out of, etc
Dictionary
bejesus (bɪˈdʒeɪzəz)
interj
an exclamation of surprise, emphasis, etc, regarded as a characteristic utterance of Irish people
n
the bejesus (intensifier) used in such phrases as beat the bejesus out of, scare the bejesus out of, etc