tap off

/T AE1 P AO0 F/
verb
  1. 1

    (intransitive) To conclude an electronic ticketing process at the end of a public transport journey by holding a chipcard or a mobile device close to a terminal or reader

  2. 2

    (transitive) To remove liquid or other particles from a furnace, keg, or other canister.

  3. 3

    (transitive) To turn off by striking lightly.