1.
If you play around , you behave in a silly way to amuse yourself or other people. ( INFORMAL )
Stop playing around and eat!...
Had he taken the keys and played around with her car?
PHRASAL VERB : V P , V P with n
2.
If you play around with a problem or an arrangement of objects, you try different ways of organizing it in order to find the best solution or arrangement. ( INFORMAL )
I can play around with the pictures to make them more eye-catching.
PHRASAL VERB : V P with n