what do bill's tattoos say about him

In the examination of the patient, the doctor uncovers a tattoo of a man hanging from a gallows with the words "Billy Bones his fancy." Obviously Billy Bones has done some dastardly deeds in his life and is proud of them. 

While Dr. Livesey examines the patient(Billy Bones) he uncovers a tattoo which shows a man hanging from gallows and beneath it, was written that "Billy Bones up his fancy" Obviously he had done some vicious deeds and is proud on it like othe pirates do.