Green’s Dictionary of Slang

high-stepper n.2

[rhy. sl.]

pepper.

[UK](con. WWI) Fraser & Gibbons Soldier and Sailor Words 119: High Stepper: Pepper.
[US]A.J. Pollock Und. Speaks.
[US]Maurer & Baker ‘“Aus.” Rhyming Argot’ in AS XIX:3.
[US]Monteleone Criminal Sl. (rev. edn).
[UK]S.T. Kendall Up the Frog.
[UK]B. Kirkpatrick Wicked Cockney Rhy. Sl.