philistine; prosaic person; unromantic person
A literary, somewhat old-fashioned term for someone lacking refinement, artistic sensibility, or romantic spirit. Often used in a critical or dismissive tone.
He is a philistine who cannot appreciate poetry.
俗物 is a more common and direct term for a vulgar or worldly person, while 没風流漢 emphasizes a lack of artistic or romantic sensibility.
無粋 is an adjective/noun meaning 'inelegant' or 'tactless', often used for actions or remarks, whereas 没風流漢 is a noun labeling a person as unrefined.
A yojijukugo combining 没 (without), 風流 (elegance/refinement), and 漢 (man/person). The exact historical derivation is uncertain; it is a literary coinage.