by Short-Shift June 13, 2022

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

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 04, 2019

by Short-Shift June 13, 2022

by 17_mistake_17 September 30, 2022

That point when you haven’t met a decent guy in so long that even the ugliest fuckboy starts to look attractive and you start to question you’re entire life.
1-Dude did you see katy was all over that nerd last night.
Just another case of testosterone deficiency.
2- urgh I feel so testosterone deficient these days that last night I thought Ross looked cute!
Just another case of testosterone deficiency.
2- urgh I feel so testosterone deficient these days that last night I thought Ross looked cute!
by Thatcoconuthead October 24, 2018
