'Farcela' is a pronominal verb. You can find a detailed explanation here: https://onlineitalianclub.com/free-italian-exercises-and-resources/italian-grammar/verbi-pronominali-farcela-e-andarsene/

Well, I tried to find the words (and to clarify the concept enough) to write you an answer but I am not able to do it. The best I can do is provide you some references that could help you: http://aulalingue.scuola.zanichelli.it/benvenuti/2010/01/28/i-verbi-riflessivi/ http://www.treccani.it/enciclopedia/verbi-pronominali_(Enciclopedia-dell'Italiano)/ https://it-it.facebook.com/notes/impariamo-litaliano/i-verbi-pronominali/179816867633/ Hope it helps, tano