"To flog a dead horse" is the English equivalent to "to beat a dead horse", which means to do something over and over again when it is not necessary, whether it be saying something or doing something.
This is a horse term. Flogging is beating with a whip. It does no good to beat a horse that is dead, because it will never get back up and work for you.
Don't flog a dead horse.
- My efforts are futile - Pissing in the wind (Australian slang) etc. bark at the moon catch at shadows bite a file beat the air in vain plough the air etc.
That is to flog.
Not to be crude but I think flog your log is a euphemism for masturbation....like spank the monkey or choke the chicken.
"When the horse is dead, get off" means you should not waste time on things that are not worth it. If the horse is dead, you can't ride it any more.
Did you mean frog? If you did, no, it's an amphibian.
The actual quote is "stop beating a dead horse" stop wasteing time on a pointless activity.
In Australian slang, "flog" means to steal or to sell something illegally. It is often used to describe someone who is dishonest or sneaky.
It's a way to say "to masturbate".
The anagram of flog is golf.
The anagram of flog is golf.