Definition of supermale in US English:

supermale

adjective

  • Relating to or having the characteristics of an excessively masculine man; having exaggerated male characteristics.

noun

  • 1A male individual with exaggerated male or masculine characteristics; especially a highly or excessively masculine man.

  • 2Biology. An individual with a higher than normal ratio of Y (or male sex-determining) chromosomes to autosomes, or a lower than normal ratio of X (or female sex-determining) chromosomes to autosomes.

Origin

Late 19th century. From super- + male. Compare superfemale, superfemale.