Nothing. The phrase is "man about the house" not "horse".
The phrase, pass on warm regards, means convey greetings or best wishes. This is a common phrase used among peers after a conversation or when parting ways.
Cowboys loved a colorful phrase! This was a horse-riding phrase. It meant to ride a horse until it was overheated. The image is of your horse in an oven baking because you rode it too long or too fast.
"The shoes of the horse" is not a sentence, it is a noun phrase; the phrase has no verb. There is no possessive noun is the phrase. The possessive form for the phrase is: "The horse'sshoes...".
Dark Horse is an older synonym for underdog, also used sometimes in elections. A dark horse is someone unlikely to win in a competition.
The phrase about horses is actually, "That is a horse of a different color," not feather. The feather animal phrase is, "That is a bird of a different feather." The horse of a different color was in the movie, "The Wizard of Oz:" and the phrase means some kind of unrelated or incidentally related matter with a distinctly different significance.
A horse in a race that is going to win. It is undoubted the horse will win. The horse cannot lose. It is a done deal. Nothing can prevent this event happening.
It means that your information comes directly from the source.
All horses are warm blooded.
Cowboys loved a colorful phrase! This was what a cowboy called corned beef. The insinuation was that it was as tough as horse meat.
Cowboys loved a colorful phrase! This one compares a horse to a six-gun. A six-shooter horse is a very fast one.
Equum donaverunt agricolae bonō.