make tick

what makes (one) tick

The things that motivate one or make one behave in a certain way. I'd love to sit you down for an interview so I can find out what makes you tick. Janet is a very private person, so it's hard to know what makes her tick.
See also: make, tick, what

make someone or something tick

Fig. to cause someone or something to run or function. (Usually with what. Tick refers to a watch or clock.) I don't know what makes it tick. What makes John tick? I just don't understand him. I took apart the radio to find out what made it tick.
See also: make, tick
References in periodicals archive ?
To help you stay ahead of these pests, here are the top 10 natural ways to make tick season easier to take.