adjective to describe a musician/band that posses a high amount of musical ability, sufficient to melt the faces of an audience.
could also be used to describe a performance of said musician/band.
possible originator Dr Hugh, Head Dr of Lunges at Sheffield University of Lunging, UK.
see also shred
"i went to see *insert band* last night."
"how was it?"
"they were inshredible!"