Phrasal verbs are two or more words that come together to give us a new verb with a different meaning from the original words.
Phrasal Verb:
mess around and mess about
Meaning / Example:
1. to waste time; to do something ineffectually. > Stop messing around and get busy. > I wish you wouldn't mess about so much. You waste a lot of time that way.
2. to play [with someone] sexually. > Pete was messing around with Maria during the summer.