Noun: Unhappy Third. Individual in a triad. Person (A) who is ostensibly related to another person (B) who is engaging with another (C) in an intimate, sexual or profitable manner. Particularly applicable to circumstance in which (C) occupies the role more frequently occupied by (A). Can also apply to animal kingdom, where it was observed in reproductive mating patterns of cuckoo bird. Variously refers to value judgments ranging from approval and enjoyment by (A) to use as a term of derision.Since roughly 2015 began being seen as a derisive term by which farther-right users distinguished themselves from more centrist conservatives, hence also cuckservative. When used in this manner or more generally as a derogatory, implies a racist and heterocentric viewpoint, suggestive that moderate politics are equivalent to enjoyment of inter-racial wife-swapping.
Verb: To conduct activities which make of (A) a cuck.