A type of Māyāpratyayā Kriyā (urge due to deceit);
self-deception relating one's own disposition- propensity or activity for expressing inauspicious disposition as auspicious one.
ātmabhāvasyāpraśastasya vaṅkanatā-vakrī- karaṇaṃ praśastatvopadarśanatā ātmabhāvavaṅkanatā.
(Sthā 2.18 Vṛ Pa 38)