
1) British indie pop group 2) Melon testers
Found on
https://www.crosswordclues.com/clue/thumpers

Thumpers (often stylised as THUMPERS) are an alt. pop duo based in London and formed in late 2011. Their first track, `Sound of Screams`, appeared online in April 2012 and their debut, sold out show followed in September 2012 at the Sebright Arms in Hackney. == History == Childhood friends Marcus Pepperell and John Hamson Jr., who were previousl.....
Found on
http://en.wikipedia.org/wiki/Thumpers
No exact match found.