Definition of heel-tapping in English:

heel-tapping

Pronunciation /ˈhiːltapɪŋ/

noun

slang
  • 1The action of delaying proceedings; delay.

  • 2The action or practice of drinking slowly, especially while leaving a small amount of alcohol in the glass.

Origin

Late 19th century; earliest use found in How Crimes Act Administered. From heel + tapping.