stinker vs so-and-so

stinker and so-and-so both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinker	Yes	No	No	No
so-and-so	Yes	No	No	No

As nouns, stinker and so-and-so are synonyms defined as:

stinker and so-and-so: a person who is deemed to be despicable or contemptible

Other synonyms of stinker include bum, crumb, dirty dog, git, lowlife, puke, rat, rotter, scum bag, scumbag, skunk, stinkpot.

stinker (noun)	so-and-so (noun)
an artifact (especially an automobile) that is defective or unsatisfactory	a person who is deemed to be despicable or contemptible
anything that gives off an offensive odor (especially a cheap cigar)
a person who is deemed to be despicable or contemptible