Mallcore

Origin

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

Full definition of mallcore

Noun

1. (slang, derogatory, music) Popular music that is overproduced, mainstream, corporately controlled, etc., as opposed to popular music that is independent or artistic.
• 2004, Ian Christe, Sound of the beast...a time when the hardcore scene badly needs to overthrow the mallcore bands, the naughty yet non-threatening pop punk groups who wear their tattoos like designer labels instead of inner scars.
2. (informal, derogatory, music) nu metal.Mallcore : DictionaryTommy Udo, Brave Nu World, 2002, Sanctuary Publishing, page 16, ISBN: 1-86074-415-X
• 2009, Munson the Destroyer, WHY DO PEOPLE LIKE TO HATE SLIPKNOTTroves of angst-ridden, mall-invading teens adopted Slipknot as their patron-saint back in 1999 (when the band’s self-titled debut came out), instantly earning the band a “mallcore” seal of disapproval by their critics