·vi To be squeamishly nice about one's food.
II. Piddle ·vi To Urinate;
— child's word.
III. Piddle ·vi To deal in trifles; to concern one's self with trivial matters rather than with those that are important.
To make water: a childish expression; as, Mammy, I want to piddle. Piddling also means trifling, or ...
Dictionary of The Vulgar Tongue by Francis Grose