A kind of Anarthadaṇḍa (violent activity indulged in wantonly on account of remissness);
indulging in Ārtta Dhyāna (concentration due to anguish) and Raudra Dhyāna (concentration due to anger) which comprise evil minded concentration on the matters like victory, defeat, killing, binding, mutilating, stealing money etc.
'avajjhāṇāyanyaṃ' ti apadhyānam-ārttaraudrarūpaṃ tenācaritaḥ-āsevito yo'narthadaṇḍaḥ saḥ.
(Upā 1.30 Vṛ p.9)