I like the repeating half-rhyme sound of "zit" plus "net".
There are lots of acne-related creams and medications out there. They can't all own Zit.com.
Plus, Zit.net makes a good brandable name for anything aiming at an edgy, youthful (not necessarily teenaged) audience.
I'm a fan. If you caught me on a day when I had fewer expensive "must buy" domains on my list, I'd probably make an offer. You wouldn't like the offer, of course; but at least I'd be making one.
This domain could sell for mid $x,xxx to an end user. More is not impossible but not likely either.