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'.
rinse someone's mouth out (with soap) and wash someone's mouth out (with soap) Fig.
to punish one by washing one's mouth out with soap, especially for using foul language. (Usually a jocular threat.)
If you say that again, I'll rinse your mouth out with soap.
A phrase that consists of a verb with a preposition or adverb or both, the meaning of which is different from the meaning of its separate parts.
A compilation of 50 phrasal verbs.