Spanish word. I don't think there's a direct english word translation.
1. Having an unusually high or exaggerated sense of masculinity. Including an attitude that aggression, strength, sexual prowess, power and control is the measure of someone's manliness. Also, a machismo man feels having these traits entitles him to respect and obedience from men and women around him.
2. The belief in the right to dominate and control, including, but not limited to, control over women.
He thinks that because he can shoot his mouth off and act machismo that I'm impressed and that she'll just bow down and do whatever he says.
Wow, Dave a guy's guy. but Steve takes it to another level. he's machismo.