Twitter Google Share on Facebook Also found in:Thesaurus,Medical,Idioms,Encyclopedia,Wikipedia. out·ie (ou′tē) n.Slang A protruding navel. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Hough...
Meaning "from harmonious relations, into quarreling" (as in to fall out) is from 1520s. Meaning "from one's normal state of mind" (as in put out) is from 1580s; out to lunch "insane" is student slang from 1955. Adjectival phrase out-of-the-way "remote, secluded" is attested from...