Green’s Dictionary of Slang

(US black) to act in a deliberately negative manner, e.g. riotously, argumentatively, criminally.

1959		‘Misc.’ in AS XXXIV:4 306: Sporadically, evil may occur as an adverb and even as the base of a verbal: ‘She was evilling.’ i.e., brooding.
2002		‘pheed’ diary on Drunken Cat 2 Jul. 🌐 Kailey gets moved to my science class for a lesson and completely blanks me. At the end, she’s evilling me [not in a flirtacious way, either], so I go to her and ask, ‘what the fuck’s up with you?’.