An over-the-hill musician whose current output is rather uninspired and uninteresting.
Did you hear his new song? Ugh.. he's such a wilbury now.
by KvHagedorn October 30, 2007
A gremlin; a mythological creature that is mischevious, mechanically oriented, and extremely devious.
Oh my god, here comes a WILBURY!
by summer interns June 21, 2006