muscular man; muscleman

naked man

(coll.) "leftover man" – a man who remains single beyond the typical marrying age

fashionable and good-looking guy (slang)

virgin (male)

(slang) to pander to men

a guy who stays at home all the time, typically spending a lot of time playing online games (derived from Japanese "otaku")

young, unmarried male; young guy

(Tw) heterosexual man; straight man

gay guy

males eligible for military service; draftee; abbr. for 役齡男子|役龄男子

a man who is family-oriented, considerate and protective

(coll.) jerk; scumbag (esp. in romantic relationships)

metrosexual

middle-aged man (often with connotations of confidence, success and attractiveness)

(slang) heterosexual man; (slang) a "straight" man: direct and literal-minded, practical and unromantic, and often poor at reading emotions or hints

virgin male

goat-man; faun of Greek mythology

(slang) a guy who is like a prawn: yummy body, but not so appealing above the neck

orphan; posthumous son

eldest son

(slang) man who grovels to a woman; man who accepts a subordinate or exploitative role in hopes of her approval

(Internet slang) guy who grew up in the countryside and gained a foothold in the city through hard work

(neologism, attested by 2020) an ordinary guy who imagines he is God's gift to womankind

geek; techie

kept man

Kim Jong-nam (1971-2017), the eldest son of Kim Jong-il 金正日[Jin1 Zheng4 ri4]

young people decked out in gorgeous clothes (idiom)

(slang) an extremely "straight" man: direct, literal-minded, practical and unromantic, and emotionally obtuse

alpha male