"ticktocks" in the noun sense
1. ticktock, tocktact, tictac
steady recurrent ticking sound as made by a clock
"ticktocks" in the verb sense
1. tick, ticktock, ticktack, beat
make a sound like a clock or a timer
"the clocks were ticking"
"the grandfather clock beat midnight"
Source: WordNet® (An amazing lexical database of English)
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