A aggressive dude with too much testosterone in his system. Usually found bullying others or being overly loud and aggressive while watching sporting events. Often, but not necessarily, seen wearing sports paraphernalia.
1.
Dude: YEAHHHHHH!! WOO! WOOOOO! YEAHHHHHHH!
Rick: Geez, does that guy have to overreact to every play? I almost jumped out of my skin! It's not even a first down for Christ's sake!
Maggie: Testo-boy.
2.
Vagrant: Hey! City boy! You probably voted for Bush didn't you? Hey! I'm talking to you asshole!
A “Testosterone Truck” (almost always driven by a man) is any large truck that is driving aggressively and always rides your car’s butt when you’re driving. Even if you’re driving faster than the speed limit, the “Testosterone Truck” must always ride your bumper or pass aggressively.
“Julie was getting fed up with the many ‘Testosterone Trucks’ on the road that ALWAYS seem ride her bumper as if to intimidate, as they bear down on her car with their huge front end and bright lights”.
Testosterone induced social suicide in a male.
When a male says something around women that is only appropriate for him to say around other men.
True testosticide will usually result in the surrounding women presenting cold shoulders, giving verbal abuse, or giving physical abuse.
Sam committed testosticide by accidentally blurting out "wow, look at that rack!" while standing with a large group of reserved women and feminists.
A form of masturbation, aggressive and self destructive. A man that uses steroids masturbates in an explosive manor, preferably in the common gymshower.
Alexander Kejonen was tired and horny after working his biceps at the gym, he noticed a slight growth of the upper arms and decided to celebrate with a genuine testofap in the gym showers. The other men in the showers were cheering and shouting in a mix of fear and delight until ejaculation.