nuncle

Etymology
From of phrases, , , etc. Compare  and.

For the verb, OED suggests an evolution in sense "to claim to be one's uncle" > "to cheat". It compares this derivation with, which it derives from.

For the technical anthropological sense, compare.

Noun

 * 1)  Uncle.
 * 2)  Aunt or uncle; sibling of a parent (regardless of gender).
 * 1)  Aunt or uncle; sibling of a parent (regardless of gender).

Verb

 * 1)  To cheat, deceive.