1. A man's testicles where sperm is produced.
2. Courage or bravery.
3. Manliness.
4. Something yelled to shock people.

A redneck measurement of power. The equation is (Bhp + ft-lbs torque)/22.8.

Big, soft, squishy, delicate, and important spherical-ish organs that hang a couple inches below a male's penis. They are kept in a nut sack to regulate the cooler temperature that they need to create sperm. If you hit them on a guy, it is very painful. Guys usually like it when girls feel them and rub them and suck on them.

a testicle

Can be used in place of Fuck, shit,crap or damnit to express anger, disappointment, disgust, etc.

the correct abbreviation for "eyeballs" as opposed to the common mistake of using "eyes"