adj. (colloquial).1. Roguish, mischievous; and (2) amorous, wanton, e.g., a WICKED twinkle in the eye, to look WICKED, etc.
1600. SHAKESPEARE, As You Like It, iv. 1. That same WICKED bastard of Venus.
1809. MALKIN, Gil Blas [ROUTLEDGE], 369. Our doctor is rubicund in the jowl, efflorescent on the nose, with a WICKED EYE at a bumper or a girl.
184950. THACKERAY, Pendennis, xxvii. Pen looked uncommonly WICKED.