Used when someone isn't focused on what they should be doing. During the meeting, he just pissed around on his phone.
Pro Tip 2/3
Casual Speech
It's informal and might not be understood or appreciated in professional or formal contexts. My boss overheard me telling a coworker to stop pissing around.
Pro Tip 3/3
Negative Connotation
Implies frustration with someone's lack of productivity or focus. The coach shouted at the players to stop pissing around.