so long, and thanks for all the fish

English

Etymology

From the title of a 1984 comic novel by Douglas Adams, in which it is the last message left by dolphins for humankind before escaping a doomed Earth.

Phrase

so long, and thanks for all the fish

1. (humorous) Goodbye, farewell.
   • 2007, Zac Woodall, The Rational Guide to Microsoft Office Access 2007 Templates, Mann Publishing Group, →ISBN, page 247:

     […] Templates” badge, which you can request by mailing a self-addressed stamped envelope filled with 100 dollar bills to me directly. Please allow 52-104 weeks for processing and delivery. That's all there is. So long and thanks for all the fish.