To tap your foot is to beat the floor lightly with impatience. Tap your foot by the door.
It is impatience made audible, which is why it is more pointed than looking at a watch. People also tap your foot to music without noticing they have started.
1phrasetap your footTo beat the floor lightly with impatience.
“He began to tap your foot before she was halfway through.”
tap your foot is a gesture.
Practised in Body Language & Gestures