Understandable
Or maybe not "guilty pleasure", but stuff you get into that other people you know don't have the same interest in.
For me, it's low-budget horror flicks. The sort you find at stores (or through Amazon) that come in 10-15-20 films in a collection, where there are maybe a couple of name films and everything else is micro-budget. A lot of it is crap, but I find it to be entertaining lowbrow crap and tend to watch a couple of them about every week.