git vs dirty dog

git and dirty dog both are nouns.

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

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

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

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

git (noun)	dirty dog (noun)
a person who is deemed to be despicable or contemptible	a person who is deemed to be despicable or contemptible