double-tap

Syllable breakdown

Dictionary meaning

to quickly tap a touchscreen twice in rapid succession — particularly the gesture on Instagram and similar platforms that registers a like when a user double-taps an image; the double-tap gesture has become one of the defining micro-interactions of mobile social media, transforming the act of expressing approval into a reflex so automatic that users often do it without conscious decision; beyond social media, the phrase also carries its older meaning from military and firearms contexts — firing two shots in rapid succession — and is used colloquially to mean to repeat or confirm an action emphatically