subs. (old cant).1. A GUINEA-DROPPER (q.v.): [A coin is PLANTED (q.v.), and a likely passer-by is offered a share because present at the discovery; to get change, drinks are suggested, and the victim goes out fleeced].(B. E. and GROSE).
1699. The Country Gentlemans Vade Mecum, 97. Guinea Dropping, or SWEETNING, is a Paultry little Cheat, that was recommended to the World about thirty Years ago, by a Memorable Gentleman, that has since had the Misfortune to be taken off, I mean, Hangd, for a Misdemeanour upon the Highway.
3. (common).In pl. = the lips. TO FAKE THE SWEETENERS = to kiss.
4. (old).One who decoys persons to game (BAILEY). Also SWEETEN, verb (B. E. and GROSE) = to decoy, to draw in.