slang. [f. STALL v.2 + -ER1.] Staller up: one who ‘stalls up’ or acts as confederate to a pickpocket (see STALL v.2 1).
1812. J. H. Vaux, Flash Dict., s.v. Stall, The stallers up are gratified with such part of the gains acquired as the liberality of the knuckling gentlemen may prompt them to bestow.
