A single sharp crash of thunder.

Roget 508: inexpectation^†, non-expectation; false expectation etc. (disappointment) 509; miscalculation etc. 481.    surprise, sudden burst, thunderclap, blow, shock, start; bolt out of the blue; wonder etc. 870; eye opener.    unpleasant surprise, pleasant surprise.    ... show more

Dutch: donder, donderslag

A shocking surprise.

synonyms: bombshell, thunderbolt.