Essentially, the jokes are all about laughing at the dumb, hick ways of rural poor people - a now radioactively politically incorrect style of humor, which may explain why this isn't paid attention much these days.
This strip is from 1956 and features "Tiny" Yokum, an overdeveloped 15 1/2 year old muscular kid that gets bamboozled by some Charles Atlas type, who exploits him for his overdeveloped hick muscles.



