piddle around

To waste time idly or aimlessly. Almost always followed by "around." Stop piddling around and get to work! We were supposed to be working on our essays, but we just piddled around for most of the day.

piddle around

Fig. to waste time doing little or nothing. Stop piddling around and get busy. I'm not piddling around. I am experimenting.

piddle (around)

in. to waste time; to work aimlessly or inefficiently. Can’t you get serious and stop piddling?