adj. Stereotypically masculine.
2003
And at least Thelma and Louise stop short of emulating Butch Cassidy and the Sundance Kid, who use their remaining ammunition to go out in a blaze of testosteronic glory.
1997
There's the Rado Smash Booth, where for $3.00 Canadian you can step inside a large cage with a much-handled racquet and hit a serve into a frayed-looking net and have the speed of your serve appear on a big liquid-crystal display above the cage. Most of the people availing themselves to the Rado Smash Booth are men, whose girlfriends watch dutifully as the men step inside the cage with the same testosteronic facial expression of men at fairs testing their marksmanship or sledge-swinging prowess.
1990 (earliest)
Primates inspire affection, and those who hunt them hungrily may come to protect them fiercely, joyfully ignorant of Donna Haraway, a Californian Professor of the History of Consciousness who has ''birthed'' a vast, clever, barren, self-indulgent book on the presuppositions and ''sexual politics'' of research on primates, in which she attacks the male, masculinist, Adamic, patriarchal, and generally testosteronic attitudes that distorted primate research until women rose to prominence in the field.