|Origin:||Perhaps from Latin flagellare 'to whip'|
flog past tense and past participle flogged, present participle flogging [transitive]
to beat a person or animal with a whip or stick:
He was publicly flogged and humiliated.
to sell something:
I'm going to flog all my old video tapes.
to be wasting time or effort by trying to do something that is impossible
4 British English informal
to repeat a story or use an idea etc so often that people become bored with it:
They take a good idea and flog it to death.