bejesus /bəˈd͡ʒiːzəs/exclamation 1noun 1 exclamation1 •(Ireland, informal) Used to express surprise, annoyance, dismay, or anger.The young stinker and smeller dug in his pocket, pulled something out, and, bejesus, the young stinker and smeller was giving him something. — 1949 noun1 •(informal, euphemistic) Used for emphasis, similar to crap, shit or wits.The bear scared the bejesus out of us.He said you confused the bejesus out of him.