Phrasal verbs consists of a basic verb + another word or words. The two or three words that make up a phrasal verb form a short 'phrase' - which is why we call them 'phrasal verbs'.
Phrasal Verb:
fall out
Meaning / Example:
1. to happen; to result. > As things fell out, we had a wonderful trip.
2. to leave one's place in a formation when dismissed. (Usually in scouting or the military. The opposite of fall in.) > The scouts fell out and ran to the campfire. > All the soldiers fell out and talked among themselves.