I. ˈsōənˌsō noun
( -s )
1. : an unnamed or unspecified person or thing
would argue as to whether so-and-so's badger could lick such-and-such a dog — American Guide Series: Nevada
the reason he didn't was so-and-so — Ring Lardner
word meaning so-and-so — Alexander d'Agapeyeff
2. : bastard 7
has often been called an unregenerate so-and-so by the opposition — Bill Hatch
should have given the poor so-and-so another chance — Jean Stafford
you old so-and-so … how are you, anyway — J.G.Cozzens
II. adverb
: in an unspecified manner or fashion
instructions were to feed them so-and-so and treat them so-and-so — H.G.Wells
III. adjective
: blankety-blank
expurgate that profane gentleman's scathing narration of what he terms a so-and-so wild-goose chase — G.F.T.Ryall
you can keep the so-and-so car — Harry Bennett