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
Get the Testosterone Rexmug. 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
Get the testosterone overloadmug. 
Get the Testosteronemug. X1:so tell me what happened in school.
X2:the math teacher told me to stand up go to the whiteboard (i did not raise my hand so he could tell me)
And something embarrassing happened
X1: What ?
X2:i got testosterone in my pants
X1: what does that mean?
X2: I got a fucking erection goddamnit wtf?
X2:the math teacher told me to stand up go to the whiteboard (i did not raise my hand so he could tell me)
And something embarrassing happened
X1: What ?
X2:i got testosterone in my pants
X1: what does that mean?
X2: I got a fucking erection goddamnit wtf?
by APersonthatKnowsSexEdBefore9th December 2, 2022
Get the Testosterone in my pantsmug.