What part of speech is piddles?

Piddles can be categorized as a noun and a verb.

Parts of speech

1. piddles is a verb, present, 3rd person singular of piddle (infinitive).
2. piddles is a noun, plural of piddle.

Verb
piddle - waste time; spend one's time idly or inefficiently
piddle - eliminate urine; "Again, the cat had made on the expensive rug"
Noun
piddle - An act of urination.
piddle - To waste time ; often used as a euphemism for piss and followed by away.