fiddley
Ⅰ
noun a one-pound note; the sum of one pound. Short for FIDDLEYDID AUSTRALIA, 1941
Ⅱ ⇨ fiddlededee; fiddley
noun an act of urination. Rhyming slang for PEE or WEE. Presumably coined with some euphemistic intent, yet 'to go for a fiddley' seems, somehow, a more ambiguous option UK, 1992