[walking encyclopedia] {n. phr.} A polymath; a person very well versed […]

[walking papers] or [walking orders] also [walking ticket] {n.}, {informal} A […]

[wall] See: [BACK TO THE WALL], [BEAT ONE'S HEAD AGAINST A […]

[wallflower] {n.} A girl who has to sit out dances because […]

[wallop] See: [PACK A PUNCH] or [PACK A WALLOP].

[walls have ears] Sometimes one's most confidential conversations are overheard. * […]

[want ad] {n.} A small advertisement on a special page in […]

[war] See: [COLD WAR], [TUG OF WAR].

[war baby] {n.}, {informal} A person born during a war. * […]

[ward off] {v. phr.} To deflect; avert. * /Vitamin C is […]