English

Noun

mallcore ‎(uncountable)

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.^[1][2]
   • 2009, Munson the Destroyer, WHY DO PEOPLE LIKE TO HATE SLIPKNOT

     Troves 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

References

1. ↑ Mallcore : Dictionary
2. ↑ Tommy Udo, Brave Nu World, 2002, Sanctuary Publishing, page 16, ISBN 1-86074-415-X