What does Star-Lord's shirt say in Guardians of the Galaxy Vol 2?

Guardians of the Galaxy Vol 2 features a new costume for Star-Lord, aka Peter Quill, aka Chris Pratt. This new costume features a t-shirt with a coded message on it – and you know we can’t resist investigating. As such, we’ve done some decoding, some tearing down of graphic design, and a bit of research figure out what’s going on …