bene darkmans

obsolete slang Farewell and good evening; have a good night. The term originated in the thieves' cant of the UK underworld. Primarily heard in UK. Right, I'm off lads. Bene darkmans! Bene darkmans, I think I've had about enough to drink tonight. A: "I think we've seen enough, yes?" B: "Oh yeah. Bene darkmans to you lot."