Tillie and Mac book

After the newspaper comic character Tillie the Toiler and her male associate Clarence "Mac" MacDougall.

Tillie and Mac book (plural Tillie and Mac books)

1. (slang) Synonym of Tijuana Bible (“a kind of pornographic comic book”)
   • 1949, Robert Mende, Spit and the Stars, page 214:

     I have another little book here better than Tillie and Mac books or the ones like it ^[sic]. It has a lot of exciting poses that will give you a thrill.

   • 1964, The Realist, numbers 48-70, page 18:

     Fifthly, it is argued that the Tillie and Mac books have no cultural validity or purpose and serve only to titillate and gratify gross desires and private excesses.

   • 2022, Lenny Bruce, How to Talk Dirty and Influence People:

     I had a neat haul: twelve collars and, believe it or not, seven of the farthest-out Tillie and Mac books I'd ever seen, plus one of the numbered editions of Henry Miller's Black Spring.