/mah cheez"moh, -chiz"-, meuh-/ , n.
1. a strong or exaggerated sense of manliness; an assumptive attitude that virility, courage, strength, and entitlement to dominate are attributes or concomitants of masculinity.
2. a strong or exaggerated sense of power or the right to dominate: The military campaign was an exercise in national machismo.
[ 1945-50, Amer. ]