noun, noun which may take the genitive case particle 'no'
B-class; second-rate
Used to describe something of lower quality, rank, or grade, often with a nuance of being cheap, inferior, or less prestigious. Common in compounds like Ｂ級映画 (B-movie) or Ｂ級グルメ (cheap but tasty local food).
あの店はＢ級グルメの名店だ。
That shop is a famous place for cheap, tasty local food.
彼はＢ級映画のファンだ。
He is a fan of B-movies.