a male exhibiting or characterized by machismo
"His overly aggressive behavior and constant need to prove his physical strength made him seem like a typical macho man."
A macho person; a person who tends to display masculine characteristics, such as domineering, fierceness, and bravado.
"The astronomer corrected his notes, explaining that the mysterious dark matter clumps we detected are actually MACHOs, not hypothetical WIMPs."
Initialism of massive astrophysical compact halo object.
tending to display masculine characteristics, such as domineering, fierceness, bravado, etc., in ways that are showily and histrionically tough
"The coach's macho tactics of forcing players to run extra laps while screaming insults only made the team resent him."