stinkpot vs dirty dog

stinkpot and dirty dog both are nouns.

Word	Noun	Adjective	Verb	Adverb
stinkpot	Yes	No	No	No
dirty dog	Yes	No	No	No

As nouns, stinkpot and dirty dog are synonyms defined as:

stinkpot and dirty dog: a person who is deemed to be despicable or contemptible

Other synonyms of stinkpot include bum, crumb, git, lowlife, puke, rat, rotter, scum bag, scumbag, skunk, so-and-so, stinker.

stinkpot (noun)	dirty dog (noun)
small freshwater turtle having a strong musky odor	a person who is deemed to be despicable or contemptible
a person who is deemed to be despicable or contemptible