What is "superthriller"

n. (context informal English) A particularly gripping or ambitious thriller.

Superthriller are an English electronic music band from London formed in 2003. They have released four studio albums. Superthriller 1, The Blank Album, Superthriller 2 and Moods. The three constant members of the band are brothers Max and Ben Ringham and Andrew Rutland who all met while producing music for the Shunt Performance Collective.