loony tune

== English == === Etymology === Probably after Looney Tunes cartoon characters, because these characters are noted for their silliness. === Pronunciation === === Noun === loony tune (plural loony tunes) (slang, humorous) A silly or crazy person; a person whose actions are unpredictable and irrational. ==== Alternative forms ==== loony toon, looney toon ==== Related terms ==== looney tunes