My in-laws (83 & 87) have a secondary plate on their RV - that qualifies as a bumper sticker, don't it??? It says, "Recycled teenagers". (They're a great pair.)

My brother, a member of the Unitarian Universalist Church, has a favorite that he saw: UUC - First church on the left.

I thought 'Mean people suck' was a good one until I saw the correlary: 'Nice people swallow.'

Cheers, all.