X Chromosome
The congenital, developmental, or genetic information in the cell that transmits the information necessary to make a female. All eggs contain one X chromosome, and half of all sperm carry an X chromosome. When two X chromosomes combine, the baby will be a girl. See also Y Chromosome.
X-dresser
Short for cross dresser.
X-factor
An individual's sex appeal or general attractiveness.

X-frame
A bondage frame in the shape of an X in a horizontal position.

X-rated
Sexually explicit materials, usually refering to videos, DVD's, books, pictures or movies.
Xeroderma
Roughness and dryness of the skin, such as in Karposi's Sarcoma.

XOXO

Kisses & Hugs
XXX
Slang for sexually explicit materials, usually refering to videos, DVD's books, pictures or movies.