till-tapper in English dictionary till-tapper Meanings and definitions of "till-tapper" noun (obsolete) A criminal who surreptitiously robs the tills of shops, typically while accomplices distract the attention of the clerks.Farley, Philip. Criminals of America, or, Tales of the Lives of Thieves. 1876. May be downloaded at: [1] more Grammar and declension of till-tapper till-tapper (plural till-tappers) more Sample sentences with "till-tapper" Declension Stem Try again Authors