WordWeb Online

1. (informal) small and of little importance
   - fiddling, footling, lilliputian, little, niggling, piffling, petty, picayune [N. Amer], trivial

1. Waste time; spend one's time idly or inefficiently
   - wanton [archaic], wanton away, piddle away, trifle
    
2. Eliminate urine
   "Again, the cat had piddled on the expensive rug"
   - make, urinate, puddle, micturate, pee, pee-pee, make water, relieve oneself, take a leak, spend a penny [Brit], wee [Brit], wee-wee, pass water, widdle [Brit]

See also: unimportant

Type of: drop, egest, eliminate, excrete, expend, pass, spend

Encyclopedia: Piddle