an elongated stain in the rear of one's underwear caused by one of the following: 1)rubbing of the underwear on an insufficiently wiped anus after excrementing 2)expellingjuicy farts (butt cheese) into the underwear over an extended period.
"I think my underwear has a skid mark from farting all day"
1. A man's testicles wheresperm is produced.
2. Courage or bravery.
4. Something yelled to shock people.
1. Duringoral sex Jackie licked Ed's balls.
2. He didn't have the balls to jump off a three-story platform into the water.
3. He may look sexy, but Dereck doesn't have balls.
4. The boy said to his grandmother: "Balls!" And she passed out.