Grobanite

plural Grobanites

1. slangA fan of American musician Josh Groban.

   Perhaps one for diehard 'Grobanites' rather than those new to the fold.

   2011 June, Mark Wreford, “Re-Tunes”, in Re, number 14, page 52

   2 more examples

   "All That Echoes" was named one of Billboard's Best Bets for 2013 and features an edgier sound that is pushing Groban's music to new genres and reaching the pleased ears of both seasoned Grobanites* and brand new Groban fans.

   2013 March, Riesa Pascal, “16 Reasons to Buy 'All That Echoes'”, in Orlando Style, volume 10, number 3, page 46

   Critics admire his power and restraint; Grobanites, as they're called, like the way their hearts slow-motion explode into pink butterfly candy confetti when he sings to them.

   2013 September, “[Initiate Grobanite Love Protocol]”, in Desert Companion, page 57