Green’s Dictionary of Slang

gybe v.

[SE gybe, of a sail, to swing from one side to the other]

to whip, to beat; thus gybed, whipped.

c.1698		B.E. Dict. Canting Crew n.p.: Gyb’d c. Jerkt or Whipt.
1725		New Canting Dict. [as cit. c.1698].