His face was thin and brown and crafty, with a perpetual smile upon it, which showed an irregular line of yellow teeth, and his crinkled hands were half closed in a way that is distinctive of sailors.
Stu says, " You can see" – he's showing the group his fingernails – " that they're pretty ragged." " To be ragged" (ragged) means to be uneven, to be not smooth.
And then I kind of went through a really awkward phase, which I think everyone has to go through to build their character because I had really crazy teeth.
Three crooked lines forming what looked like a crude letter M. I hadn't touched the glass and there was no condensation could bead up in neat shapes like that.