A person who likes their guitars (and everyone else's for that matter) tuned to standard E (Low to high E A D g b e). These people, who despite the name may be of any age, dislike the practice of tuning a guitar or bass to alternate tunings such as dropped D (D A D g b e) and show great disdain for those who do because...

Well, who knows.

These people could be the biggest Thin Lizzy fans in the world but wouldn't tune down just a half-step to E flat to play one of their songs correctly. They will often moan on about how it's not necessary to tune a guitar out of E but, when prompted for a reason why, they will just mutter, trail off and then be quiet again.