To squander or waste time, money, or other resources; e.g. occupy oneself idly or without clear purpose, to tinker with an unimportant part of a project, to dally, sometimes as a form of procrastination.
To break into small pieces or fragments.
To cut (meat etc.) into small pieces for frying.
To sinter.
A dish made by deep-frying food coated in batter.
A fragment; a shred; a small piece.
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.