Adj. from the noun, banchilitarianism (also coined by my Dad, Larry Fitzgerald) which describes someone who believes in or practices being contradictory; so it means, being argumentative, contrary, or contradictory; also, one who whines or complains often. Example: Oh, Louise, don't be so banchitive.
BANCHITIVE
Meaning of BANCHITIVE in English
Slang English vocab. Английский сленговый словарь. 2012