(n.) A piece of bread sopped in milk; figuratively, an effeminate or weak-minded person.

Lord Fauntleroy Milquetoast Percy ass baby big baby born fool buffoon caitiff chicken chicken liver clown coward cream puff crybaby dastard doodle doormat dull tool effeminate egregious ass figure of fun fool fraid-cat fraidy-cat funk funker goody-goody gutless wonder ignoramus invertebrate jackass jellyfish lightweight lily lily liver lunatic meek soul mollycoddle mooncalf mouse namby-pamby nance nancy nebbish nonentity old woman pansy pantywaist perfect fool poltroon pushover sad sack scaredy-cat schmuck sissy softhead softling softy sop stupid ass tomfool weak sister weakling white feather white liver zany