Definitions by Nigel St Hubbins

masson 

verb meaning to con someone, to tell a lie, to have the wool pulled over one's eyes, but in an amusing and charming manner. From the vernacular of Muswell Hill, North London, origin unknown.

"Oh my god - I think we just got massoned!"
'Oi! Don't you try and masson me on this, you smooth talking cad!"

masson by Nigel St Hubbins April 7, 2008