or whangdoodle, etc., subs. (? nonce words).An imaginary animal: its precise nature, form, and attributes are seemingly left to individual fancy.
175962. GOLDSMITH, The Citizen of the World, xcviii. A WHANGAM that eats grasshoppers had marked [one] for its prey.
1856. S. P. AVERY, comp. Harp of a Thousand Strings, 224. Where the lion roareth and the WANG-DOODLE mourneth for her first-born.