The phrase "to screw around" is an idiomatic expression that means to waste time or be lazy by engaging in unproductive activities, often with a playful or casual attitude. Full definition
I wouldn't screw around with this «everything changes» garbage, that's for damn sure. (mommyish.com)
It is your job to pay your bills, but it is there job to collect them on time, not screw around for 2 years and expect payment in full. (money.stackexchange.com)
It effectively created the sandbox style of gameplay, i.e. a world completely open for you to screw around in. (toy-tma.com)