I risk bunny-claw (nail? does that mean she is currently compromised?) censure by being focused and anti-digressionary (though I'm trying to be digressive in how I convey the anti-digressionary information) (by the way I really liked the succession of parentheticals in the "Nail" verse, lovely, just lovely).
Um.
Right, so the "jeep thing"...
Jeep, the company, had some slogan: "It's a Jeep thing, you wouldn't understand." With a smiley face. (I've never seen it, I looked it up.)
This annoys some people (it sounds annoying to me...)
So this bumper sticker was replying. "I got your Jeep thing" (I understand) " and now it hurts to pee" (your Jeep thing is a sexually transmitted disease).
I got as far as figuring out that "Jeep thing" must be a, well, thing, found it here:
http://www.urbandictionary.com/define.php?term=A+jeep+thing