A clock; also, by extension, the human heart: wind the tick-tock/ tick-tock is going strong at 70
See the tick-tock for our entire three-day summit, from panel discussions to interviews and performances.
No sound came from the chest now, if that had been the locality of the tick-tock noise.
The refrain “tick-tock” was borrowed from a song which had been sung to her.
The parking attendant appeared startled when she approached him with tick-tock striding alongside.
Davie used to say 'tick-tock' when he heard it, when he first learned to talk.
For ten minutes nothing was heard in the room save the tick-tock of a prodigious clock hung against the wall.
The tick-tock of the clock and the crackle of the consuming wood were the only sounds.
And up on the wall over their heads the big clock went tick-tock, tick-tock, tick-tock, and its long pendulum swung to and fro.
Abruptly, Telzey closed her eyes, thought sharply, "tick-tock?"
Time—another superfluous element, a tick-tock for the little wingless ones to crawl by.