manging cant, mang the cant verb to speak the language of the Gypsies: Can you mang the Cant wi [with] me? 19-. Compare cant etymology: Romany: mang ‘talk’ + cant ‘the language of Scottish Travellers’; collected by Rev John Baird from Kirk Yetholm Gypsies note:

The reason this entry has an open and current date is because the phrase is known to the author.