2. (common).—To fawn; to flatter. Formerly, to grease one’s boots.
1598. Florio, A Worlde of Wordes. Onger i stivali, to grease ones
bootes, id est, to flatter or cog with, to faune vpon one.
Slang and its analogues past and present, volume 3 [of 7] · 第 297 / 517 题