Alternative form of tick tock

To make continual clicking sounds like those of an analog clock.

A small, immature tick larva.

simple past tense and past participle of tick off

(intransitive, of an engine) to idle (to run at a slow speed, or out of gear). / (idiomatic, of, e.g. a process or a business) To run smoothly and without problems.

the idling of an engine / (by extension) doing a gentle amount of work

an admonition or reprimand

(pathology) any of various diseases transmitted by ticks

(baseball, slang, rare) A foul ball which just brushes by the bat, making a ticking sound.

(sometimes methaphorical) To sign with a tick. / To list (create or recite a list). / (Canada, US, transitive) To annoy, aggravate. / (Britain, Australia, transitive) To reprimand.