verb. (thieves).To rob: hence, THE SPICE (or HIGH TOBY SPICE) = highway robbery; SPICER (or SPICE-GLOAK) = a footpad (GROSE and VAUX).
c. 1800. JOHN JACKSON [quoted by BYRON in notes to Don Juan, xi. 19]. On the HIGH TOBY-SPICE flash the muzzle.