Often followed by about or around: to act or work ineffectually and wastefully.
To urinate.
Synonym of nibble: to pick at or toy with one's food, to eat slowly or insubstantially.
A piss: an act of urination.
Nonsense or a trivial matter.
Piss: urine.
To piss away: to waste or squander time, money, etc.
He piddled away three hours at the bus station waiting for Gabe to show up.