Basically when you try your hardest to impress guys or girls by acting like a dick to strangers or friends.
by Ron the boss 8 March 13, 2017

by Short-Shift June 13, 2022

The gender- and sex-essentialist belief system which states that men are inherently more dominant, powerful, aggressive, or ambitious than women. Usually accompanied by the parallel belief that women are inherently more submissive, weak, nurturing, or delicate than men.
Man: I want to have kids, but I fear I won't be as nurturing to them as their mother.
Women: Don't let the Testosterone Rex get to you, sex doesn't determine how nurturing you are!
Women: Don't let the Testosterone Rex get to you, sex doesn't determine how nurturing you are!
by thedefinerrrrrrrrrrrr April 15, 2025

When guys try to act more manly and macho than the other guys to impress each other. Often leads to idiodocy and dangerous risk taking.
by Harmony1812 September 4, 2019

Legends say that a man will come by the name of Beef Testosterone to bring peace, justice, and stability to his new empire. Legends also state that he will have the flattest penis known to man.
by Poopycheeks April 19, 2024

A mythical surge of testosterone originating from the testicles, giving an intense boost of confidence, aggression, and primal energy.
After he landed that insane trick on his skateboard, he was strutting around like his testicles were pumping pure Abhi Mehta Testosterone.
by abbhi Mehta December 10, 2024

