The phrase "a smelly man" is correct and usable in written English.
It can be used to describe a man who has an unpleasant odor, often in informal contexts.
Example: "As he walked by, I couldn't help but notice that he was a smelly man, which made it hard to concentrate on the conversation."
Alternatives: "an odorous man" or "a foul-smelling man".
She arrives at the airport to hear disembarking passengers complaining about a fat, smelly man who took up more seat space than he deserved.
"We were given a smelly piece of organ" (Community FGD, 59-year-old woman).
Roeser told her, sure, he'd hire her, and put her on the assembly line next to "a big, fat, smelly man" in the hope that she'd find the work so distasteful that she'd return to school.
Smelly Man" from Mr. Landry.
In my thoughts I was begging her to let the old smelly man die in peace.
Why does that smelly man round the corner from my office do crap street art on the hoardings of the new Nobu hotel?
He recalled his walk's final night: "At the end, when I'm sitting in an Afghan room with a bunch of smelly men, I realize that actually in some very, very small way I feel that I'm justified in being with them.
Many moons ago, long before I dreamed of seeking fame and fortune as a self-published author, back when I was of that peculiar age when young men choose to live in smelly apartments with other young and smelly men, I had as a roommate the incredible and talented drummer of Charlie's on Acid.
"Ain't nothing left but old smelly men and preachers here," she said with a cackle.
Sometimes it's funny – those that are surprised when the PowerPlate vibrates, shocking as that may be, tickle me – the smelly men who think that one glance in their direction means they're Ryan Gosling are temporarily amusing, and the American associate students with their socks pulled up look like they're off to Wimbledon.
