fool around (or fool about)
phrasal verbPart offool
fool around (or fool about) — phrasal verb
1. to spend time behaving in a silly, playful, or unserious way instead of doing wh
1.phrasal verb
Definition
to spend time behaving in a silly, playful, or unserious way instead of doing what you should be doing
Example
The coach warned the players to stop fooling around and focus on their warm-up exercises.
Layla spent the whole afternoon fooling about with her cousins instead of studying for the maths test.