Somethning that joins/connects or a simultaneous occurrence of events.
Sometimes it means a union,a combination of elements.

Pink eye, something you get from burying your face in a strippers ass.

The area between the anus and scrotum or vulva. The Taint. (Taint pussy, taint asshole)

The area that connects between your genitalia and rectum. The taint.

Pink eye. It is an infection in the eye that's really contagious, ugly, and gross.

Not exactly a slang word, but it definitely sounds cooler than saying "pink eye."

Also, while this is not a sexually transmitted disease, if you have sex with someone with conjunctivitis, you will probably get conjunctivitis.

taking a sick day from work in conjunction with the weekend.

1. Some crazy guy on the Internet that's been around for awhile. Used to post at guestbooks regularly now has profiles on different sites. JTV being one.
2. Combo of three things: A conjunction, conjunctivitis, and St. Vitus' Dance.
No real reason for the combo except it sounded cool