Orgasmo I agree hillarious and 6.2/10 on IMDB
Bloodsport is awesome , and 6.8/10 on IMDB.
The Holy Mountain is not at all a popular movie, but its friggin amazingly insanely insane awesome crazy good. But its rated like 8/10, and people either love it for what it is, or loathe every fiber of its being for being what it is.
Id look into the exploitation film genre for the source of pretty much all the bad good movies ...
Stuff like I Spit on Your Grave
https://en.wikipedia.org/wiki/I_Spit_on_Your_Grave
Or, the entire Troma Catalog, stuff like The Toxic Avenger 2, 3, 4, or Poultrygeist, or Tromeo and Juliet or Surf Nazis Must Die.
Or all the 80s bad zombie movies, like Return of the living dead, part 2, hillarious, awful, its just pure awful, but amusing none the less.