Meaning

2 senses
  1. (derogatory, slang, uncountable)Popular music that is overproduced, mainstream, corporately controlled, etc., as opposed to popular music that is independent or artistic.

  2. (derogatory, informal, uncountable)Nu metal.

Origin

From mall + -core, since it may be played as background music in shopping centres.

From mall + -core, since it may be played as background music in shopping centres.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
mallcore — meaning, examples, forms, synonyms | Krumeto