lashwise

In the manner of a whiplash.

Adverb

  1. In the manner of a whiplash.
    • “Come, Yankee,” here swore the incensed private; “cease this, or I’ll darn your old fawn-skins for ye with the flat of this sword;” for a specimen, laying it lashwise, but not heavily, across the captive’s back. - 1855,...

Origin

From lash + -wise.