What is Sex Lines?
1.
Indentations in the hips caused through muscular definition in the torso. When a person is wearing low-riding pants, the indents look like two lines pointing down to the genitals in a "V" like shape.
Steve only wears his pants like that because he wants to show off his sex lines.
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2.
the beautiful markings cut into the flesh on the lower abdomen of a fit male (or an extremely fit female).
They can be found on people such as Pete Wentz, Usher, and Kelly Clarkson.
He removed his shirt and when i saw his lovely set of sex lines, I pounced on him.
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