things that go bump in the night

Noun

 * 1)  Frightening imagined creatures; ghosts or other supernatural beings.
 * 2) * 1940, "Life on the Newsfronts of the World," Life Magazine, 7 Oct., p. 32:
 * Hellish new noises from new and secret British anti-aircraft devices vibrated last week through the din of London bombings. . . . [T]hey must have reminded Londoners of the old litany:
 * From ghoulies and ghosties,
 * Long leggety beasties
 * And things that go bump in the night
 * Good Lord, deliver us.
 * Good Lord, deliver us.