Also known as Grundyism. A term to refer to anything, usually from the 1970s that is stale, dingy, dilapidated, and often came in horrible shades of yellow or brown (The actual colours of Urine and Faeces), imitation wood and plastic and came in the forms of hexagon-ish shapes. This term is named after the Grundy TV logo seen in the opening credits of Sons and Daughters for obvious reasons.
A person who likes aspects of emo / goth things but isn’t quite a full goth, they like soft grunge and usually wear have quite a dark style but not too dark I.e fish net tight, black doc martins and band shirts, they will also, most definitely paint their nails black or at least really want to. They listen to a lot of pop-punk and bands like MCR and 5sos