Gnat's post is perfect!

I did pretty much what you are thinking of: went in with some ideas and asked the artist to create it. There was more time spent creating the tattoo than actually applying it to my body. Be ready to pay part of the cost up front, as the artist is working on the drawing.

My artist made a few dittos and took lots of time with me getting the placement just right. Don't be afraid to ask for even the tiniest change.

A tattoo that has meaning is simply delicious. Your tattoo idea sounds wonderful! Have fun!