auto-clicker

noun
UK /ˈɔːtəʊ klɪkə/
US /ˈɔːtoʊ klɪkər/

A tool that clicks a computer mouse button for you again and again.

He used an auto-clicker to click the button a thousand times without getting tired.


OTHER MEANINGS

2. A program that repeats mouse clicks at set times to save effort in games.

The game blocked players who used an auto-clicker to farm coins.

3. A small device that presses a button on a controller over and over.

She attached an auto-clicker to her controller to keep the character jumping.

4. Any software that does boring repeated clicking so a person does not have to.

The office worker wrote an auto-clicker to fill in the same form every morning.