We don't have synonyms for tap off yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are tip off, top off and cap off.
(v) :
(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
(v) :
(transitive) To remove liquid or other particles from a furnace, keg, or other canister.
(v) :
(transitive) To turn off by striking lightly.
(v) :
(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
(v) :
(transitive) To remove liquid or other particles from a furnace, keg, or other canister.
(v) :
(transitive) To turn off by striking lightly.