X-Ray

Used by British/Commonwealth Military personnel to target an unknown/hostile combatant

Bravo 3-1, Multiple X-Rays spotted to your north!

X-Ray

The only other word in the english language even worth mentioning that begins with the letter "X", besides xylophone. "X" is truly the gayest of the letters.

Teacher: Hey kids! What word begins with the letter "X"?

Kids: What the fuck do you think, moron? Fucking X-Ray and Xylophone, bitch!

X-ray diffraction

If you don't know the answer to a chemistry question, put "X-ray diffraction"

"How do you determine the electronegativity of an element?"
"X-ray diffraction"

"What's on the test today?"
"X-ray diffraction"

"What's the meaning of life?"
"X-ray diffraction"

When in doubt, X-ray diffraction.

social x-ray

Very thin/anorexic female socialite, From Tom Wolfe's Bonfire of the Vanities

Social x-rays embody the notion that "you can't be too rich or too thin"

italian x-ray

When a woman is silhouetted by light behind her making her clothing see-through and exposing her assets to the world.

At my bar, when a woman walks outside during the day, the sunlight will stream though her clothing and you can see all her stuff. it can be quite excellent. It's called an italian x-ray.

X-Ray Cat

In the Movie "Freddy got Fingered" Tom Green's Chracter creates a Comic strip with a Crime Fighting Cat in it.
X-Ray Cat was born.
He could see through only wooden doors.
Not much else is said yet very funny

X-Ray Cat:"Im X-Ray Cat,I got super powers.I can see the bad guy behind the door"

Bad Guy: "You cant see me,You cant see me"

X-Ray Cat: "Yes I can,Yes I can"

x-ray model

Fashion models so morbidly skinny you can see their ribs.

Madrid Fashion Week eliminated x-ray models to portray an image of beauty and health.