GNU Collaborative International Dictionary of English

Found one definition

1.       
   Flog (flŏg), v. t. [imp. & p. p. Flogged (flŏgd); p. pr. & vb. n. Flogging (-gĭng).] [Cf. Scot. fleg blow, stroke, kick, AS. flocan to strike, or perh. fr. L. flagellare to whip.  Cf. Flagellate.] To beat or strike with a rod or whip; to whip; to lash; to chastise with repeated blows.
   
   [1913 Webster]