10 letters · 19 points in Scrabble
noun a dirty shabbily clothed urchin
originFrom the Middle English Ragamuffyn. Of uncertain origin, according to Brewer's Dictionary of Phrase and Fable: A muffin is a poor thing of a creature, a ‘regular muff’; so that a ragamuffin is a sorry creature in rags.
Etymology from Wiktionary, CC BY-SA 3.0