Top Definition
(Adjective) /teˈstästə rōnēəs/
Tes·tos·ter·on·e·us

One who displays characteristics which would be commonly found amongst persons whom contain much testosterone.
May also be used to define individuals who do not necessarily posses excessive amounts of testosterone, but merely display characteristics of masculinity, or any of the listed synonyms.

Synonyms: beefcake, bold, brave, masculine, robust, confident, daring, fearless, undaunted.
He flew down from his home planet of Aquanefius, lassoed the Earth and pulled it away from the malignant asteroid. He was so testosteroneus. All of the Aquanefeites greeted his heroic return.

The testosteroneus woman lifted the ocean and poured in onto the forest fire before it destroyed the town.
by craigforsure March 26, 2013

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