Tl Dr Notebooks
This shirt is an amalgamation of the term "TL;DR" and the logo of the beloved film 'Back to the Future.' "TL;DR" is a shortened version of "Too Long Didn't Read." The term is frequently used on the website Reddit.com to denote the presence of a summary in the case of the author's post being of some length. TL;DR - mashup of a favorite Reddit term and Back to the Future.