To waste or fritter.
To behave in a frivolous way.
To totter.
Of little or no importance, frivolous.
A trifler.
A trifling action.
A frivolous, contemptible fellow; a fop.
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.