clinkety-clank

[ kling-ki-tee-klangk ]
/ ˈklɪŋ kɪ tiˈklæŋk /

noun

a succession of alternating clinks and clanks: the clinkety-clank of armored vehicles on the rough road.

Origin of clinkety-clank

1900–05; alteration of clink1 + clank