noun, na-adjective
macho; hypermasculine
Describes a person, attitude, or behavior that is aggressively masculine or macho. Often used critically or humorously.
彼はマッチョな考え方を持っている。
He has a macho way of thinking.
noun
muscular man; muscle-bound guy
Refers specifically to a man with a heavily muscled physique, often in a bodybuilding or fitness context. Can be used admiringly or jokingly.
ジムにはマッチョな男がたくさんいる。
There are a lot of muscular guys at the gym.