play with
US /pleɪ wɪθ/
UK /pleɪ wɪθ/

1.
to handle, move, or manipulate something, especially in a light or careless way
:
•
Don't play with your food.
•
He likes to play with his hair when he's nervous.
2.
to consider an idea or possibility without committing to it seriously
:
•
They're just playing with the idea of moving to a new city.
•
Don't play with my emotions.