E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Gay Deceiver (A).
A Lothario (q.v.); a libertine.
I immediately quitted the precincts of the castle, and posted myself on the high road, where the gay deceiver was sure to be intercepted on his return.Le Sage: Adventures of Gil Blas (Smolletts translation). (1749.)