<noun.event> news of the attack came like a bombshell
Thunderclap \Thun"der*clap`\, n. A sharp burst of thunder; a sudden report of a discharge of atmospheric electricity. ``Thunderclaps that make them quake.'' --Spenser.
When suddenly the thunderclap was heard. --Dryden.
All eyes stared at the sheet of flame as the mighty Saturn 5 rose ponderously from Launch Pad 39A, precisely on schedule at 9:32 a.m., and sent a thunderclap across the scrubland.