Originally Posted by DBanana
Smutty can also mean a sort of streaked or soft appearance. I know in art class we'd often reference pictures that had very soft lines as smutty, or smudged (though plenty of jokes were to be had, oh man). No idea if he was going for something like that or not though.
When I saw that listing, I actually looked up the definitions to see how many there were; I've heard it used to mean "blackened" or "sooty", but thought, "He doesn't look black or very sooty". Sure enough, words like blackened, soot,dirt, and grime were in some definitions. However, as you mentioned, I had missed that important word "Smudged"! Based on the few definitions I looked at, it seems that one of the meanings for the word smut itself can be "a (brown) smudge", althought most of the definitions for "smutty" included "smudged with or smudge of" soot, dirt, smoke, etc.
Yes, I'm sure you're right. The seller is referring to coloring, possibly the softer smudged appearance in many places or perhaps the brownish colors, particularly on his face. I had mentioned I'd wondered if they meant smoky and some of the definitions included smoke smudges. I could see describing the colors, especially the brown areas, as smoky or brown smudged- aka smutty. :)