Green’s Dictionary of Slang

to kiss or caress.

1621		R. Burton Anatomy of Melancholy 3.3.4.2: An old Acherontick dizzard, that hath one foot in his grave, [...] shall flicker after a young wench.
1672		M. Atkins Cataplus 16: A wench there is given to flickring, / Who shall be cause of all this bickring.