1540s, "to peddle, to work in a trifling way," of uncertain origin, apparently a frequentative form. Meaning "to pick at one's food" is from 1610s; that of "urinate" is from 1796. Related: Piddled; piddler; piddling.
中文解释
1. probably from a blend of piss and puddle and peddle.2. piss, puddle, peddle => piddle.3. => To waste time; often used as a euphemism for ''piss'' and followed by ''away''.4. piddle <===> piss, piss away.