Webster's Revised Unabridged Dictionary · 1913

Flog

Flog (flog) , transitive verb

[Compare Scot. fleg blow, stroke, kick, Anglo-Saxon flocan to strike, or perh. from Latin flagellare to whip. Compare Flagellate.]

To beat or strike with a rod or whip; to whip; to lash; to chastise with repeated blows.