From WordNet (r) 3.0 (2006):
piddle
n 1: liquid excretory product; "there was blood in his urine";
"the child had to make water" [syn: urine, piss, pee,
piddle, weewee, water]
v 1: waste time; spend one's time idly or inefficiently [syn:
piddle, wanton, wanton away, piddle away, trifle]
2: eliminate urine; "Again, the cat had made on the expensive
rug" [syn: make, urinate, piddle, puddle,
micturate, piss, pee, pee-pee, make water, relieve
oneself, take a leak, spend a penny, wee, wee-wee,
pass water]