Cowboys loved a colorful phrase! This means mean, contemptible, worthless. You wouldn't want to hear a cowboy say you were small potatoes.
I think you mean "no small potatoes" or "no small feat" - in slang "oats" refers to feeling young, frisky, and reckless. "No small potatoes" is money slang, meaning something costs a lot. "No small feat" means that something is a big feat, or a big accomplishment.
Cowboys loved a colorful phrase! This meant to eat a meal, especially a potato. Potatoes are roots.
Not cowboy slang. Overalls are another name for work pants.
Cowboys loved a colorful phrase! This phrase was used to show contempt for a small-minded or mean person. You certainly didn't want a cowboy to call you a tin-horn lot.
A horse is a "hay burner".
'Cracklings' are the remains of a fire or cinders.
Cowboys loved a colorful phrase! This meant a cowboy's bedroll. It hinted that a cowboy would have fleas.
Cowboys loved a colorful phrase! This was a small book of cigarette papers. It was also called a prayer book or bible.
Cowboys loved a colorful phrase! This is cowboy grammar for "might be able to." "I may can come to the social," said the cowboy.
A .45 caliber Colt revolver- a handgun.
The condition of being flustered, in a hurry, confused.
Cowboys loved a colorful phrase! This meant in the company of a woman. A moll was slang for a woman.