Double-tap

A double-tap on the side of his nose was enough to remind Mary of their plan of action.

Source: tatoeba (9518440)

Double-tap on the word highlighted in red to bring up a list of auto-suggestions.

Source: tatoeba (10520243)

Frequently, enemy vehicle targets went unengaged because the crews ran out of ammunition before the end of the table. This time, the crews “double-tapped” far fewer enemy targets, conserved ammunition, and were able to engage every enemy vehicle target.

Source: wiktionary

As I'd crashed to the pavement in front of a crowd of stunned witnesses in Ghirardelli Square, my old partner, Gregg Mauel, had demonstrated why he'd once won a gold medal in marksmanship at the police athletic championships by double-tapping the shooter and killing him instantly.

Source: wiktionary