A young couple were making passionate love in the guy's van when
suddenly the girl, being a bit on the kinky side, yells out, "Oh big
boy, whip me, whip me!"

The guy, not wanting to pass up this unique opportunity, obviously did
not have any whips to hand, but in a flash of inspiration, he opens the
window, snaps the antenna off his van and proceeds to whip the girl
until they both collapse in sado-masochistic ecstasy.

About a week later, the girl notices that the marks left by the whipping
session are starting to fester a bit so she goes to the doctor. The
doctor takes one look at the wounds and asks, "Did you get these 
marks having sex?" The girl is a little embarrassed but admits that, 
yes, she did.

Nodding his head knowingly the doctor exclaims, "I thought so, because
in all my years of doctoring............
You've got the worst case of van aerial disease that I've ever seen.!!