Where Why is, in "Who's on First?"

• Out of __ (from nowhere)
• The piece of ground in the outfield on the catcher's left
• Source of bizarre ideas, so to speak
• Symbol of remoteness
• Position behind shortstop
• Where the unexpected 'comes out of'
• Figuratively, whence some unexpected ideas

Wikipedia Word definitions in Wikipedia
Leftfield is a British electronic music group formed in 1989. Until 2002, Leftfield was a duo of artists and record producers that consisted of Neil Barnes and Paul Daley (formerly of the Rivals , A Man Called Adam and the Brand New Heavies ). In January ...

Wiktionary Word definitions in Wiktionary
a. From wikt:left field; off-the-wall