magsman means A con man who tries to deceive members of the public. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From mag + -s- + man, of unclear origin. It has been suggested that mag was dialect for halfpenny or for prattle.
noun
- A con man who tries to deceive members of the public.“[…] M was a Magsman, frequenting Pall-Mall; / N was a Nose that turned chirp on his pal; […]”