There are a few websites that sell unique t-shirts. These ones are taken from shirts on typetees.com and randomshirts.com
1. Actually, Medicine is the best medicine.
2. I "occasionally" use air quotes.
3. Life is like a box of terrrible analogies.
4. Being vague is almost as fun as doing that other thing.
5. A city built on rock and roll would be structurally unsound.
6. If you're interested in time travel, meet me last Thursday.
7. Nostalgia was better in the old days.
8. The definition of suspense is...
9. Trees: the real cause of forest fires.
10. To err is human, to arr is pirate.
11. Death: our nation's #1 killer.
12. I am the grammarian about whom your mother warned you.