I wouldn't have the courage to have an obvious spanking license plate. I mean, a lot of people see one's car, including family and vanilla friends and so forth. But a secret sort of message would be fun.
I've always liked the idea of "EMKNAPS." Or "BNCBTM." -- Erica
Duh!!!! I got the bouncy bottom one right away but it took me forever to figure out the spank me! ha ha