Mum-chance \Mum"-chance`\, n.
1. A game of hazard played with cards in silence. [Obs. or
Prov. Eng.] --Decker.
2. A silent, stupid person. [Prov. Eng.] --Halliwell.
Mum-chance \Mum"-chance`\, a.
Silent and idle. [Colloq.]
Boys can't sit mum-chance always. --J. H. Ewing.