bejeebers, noun, colloquial, bee-JEE-burs.
wits, sensibility, composure.
e.g. The dog's tail brushed against my hand whilst I was watching a scary movie on TV and it scared the bejeebers out of me.

bejesus, noun, colloquial, bee-JEE-zuhs
wits, sensibility, composure.
e.g. The dog's tail brushed against my hand whislt I was watching a scary movie on TV and it scared the bejesus out of me.

heebie-jeebies, noun, colloquial, hee-bee-JEE-beez
nervousness, anxiety, the jitters, the willies
e.g. The scary movie gave me the heebie-jeebies, such that I was startled when the dog's tail touched my hand.