A fast and rhythmic click-clack:
— The clickety-clack of the typewriters.

synonym: clickety-click.

Roget 407: roll etc. v.; drumming etc. v.; berloque^†, bombination^†, rumbling; tattoo, drumroll; dingdong; tantara^†; rataplan^†; whirr; ratatat, ratatat-tat; rubadub; pitapat; quaver, clutter, charivari^†, racket; cuckoo; repetition etc. 104; peal of bells, devil's tattoo; reverberation etc. 408.    [sound of railroad train rolling on rails] clickety-clack.    hum, purr.    [animals that hum] hummingbird.    [animals that purr] cat, kitten (animal sounds) 412.    ... show more