ˈwȯltə(r)ˈmid.ē noun
( plural walter mittys )
Usage: usually capitalized W&M
Etymology: from Walter Mitty, hero of the short story The Secret Life of Walter Mitty (1939) by James G. Thurber b 1894 American artist and writer
: a commonplace unadventurous person who seeks escape from reality through daydreaming and typically imagines himself leading a glamorous life and becoming famous
spent his life doing the things of which the world's wistful … Walter Mittys can only dream — James Gray