triple-click noun 1verb 1forms 3 noun1 •The action of pushing the button on a mouse three times in quick succession in order to perform a different task that would be performed from a single-click or double-click. verb1 •To push the button on a mouse three times in quick succession in order to perform a different task that would be performed from a single-click or double-click. formstriple-clicked · triple-clicking · triple-clicks