The word "smut" refers to any kind of obscene or sexually explicit content, such as literature, images, or videos, that is considered offensive or inappropriate. Full definition
The series is basically one good - natured joke repeated over and over with reasonable portions of smut in the mix. (mangabookshelf.com)
What this says about me as the pitcher or catcher in domination scenarios is, admittedly, too much, but regardless, I came to this sub-genre late enough to not be terribly titillated by the Sapphic exploits of our European beauties, if interested in a detached way in smut peddlers and connoisseurs. (filmfreakcentral.net)
This feminist revenge thriller that adapts Ryu Murakami's popular Japanese novel of the same name is all kinds of gnarly and could be total smut in unproven hands but with Nicolas Pesce (the promising if not totally fulfilling Eyes of My Mother) directing Christopher Abbott and Mia Wasikowska, this really could be a sleeper horror hit a la Audition. (silverscreenriot.com)