i-adjective
smelling of men; reeking of male body odor
Describes a strong, often unpleasant smell associated with men, such as sweat or body odor. Can be used literally for a room, clothing, or a person.
部屋が男臭くて、窓を開けた。
The room smelled of men, so I opened the window.
彼のTシャツは男臭い。
His T-shirt reeks of male body odor.
i-adjective
manly; macho
Refers to a stereotypically masculine atmosphere, behavior, or attitude, often with a nuance of being overly macho or lacking refinement. Can be used for a person, a group, or a situation.
あの職場は男臭くて、女性が働きにくい。
That workplace is very macho, making it hard for women to work there.
彼の男臭い考え方にはついていけない。
I can't keep up with his manly way of thinking.