Someone who does not believe in regular bathing, or, a person whose body odor develops before they can bathe again. Also a good insult for somebody you dislike that is in either of the former categories above.
Hey, look! It's the Ignorant Dude who Smells Like He Took a Bath in Dead Fetus Juice!
Brian: “this dude is actually fucking a dead body”
Jake: “what the hell why would he do something as horrible as that?”
Brian: “he said no homo tho”
Jake: “oh ok it’s fine then”