(n.) A sharp burst of thunder; a sudden report of a discharge of atmospheric electricity.

Babel Bedlam let loose asylum blast bobbery brawl brouhaha bughouse cacophony chaos charivari chirm clamor clangor clap clatter commotion confusion confusion of tongues din discord donnybrook drunken brawl dustup flap fracas free-for-all hell hell broke loose howl hubbub hue and cry hullabaloo insane asylum jangle loud noise lunatic asylum madhouse mental home mental hospital mental institution noise noise and shouting nuthouse outcry padded cell pandemonium psychiatric ward psychopathic hospital racket rattle rhubarb roar row ruckus ruction rumble rumpus shindy shivaree static thunder thunderclap tintamarre tumult turmoil uproar