ticktack

Noun

tick=tack

WORDNET DICTIONARY

ticktack(n = noun.communication) - system of signalling by hand signs used by bookmakers at racetracks;

ticktack(v = verb.perception) beat, tick, ticktock - make a sound like a clock or a timer; "the clocks were ticking"; "the grandfather clock beat midnight"

is one way to go, sound

Sample sentence:
Something ----s

ticktack, n. [See Tick to beat, to pat, and (for sense 2) cf. Tricktrack.].

A noise like that made by a clock or a watch. [1913 Webster]
A kind of backgammon played both with men and pegs; tricktrack. [1913 Webster]
"A game at ticktack with words." [1913 Webster]

ticktack, adv.

With a ticking noise, like that of a watch. [1913 Webster]