bad cess to
bad cess to (one)
A curse of bad luck upon one. "Cess" is an Irish term for luck. Primarily heard in New Zealand. If you can just lie to me like that, then bad cess to you!
bad cess toa curse on. chiefly Irish
The origin of cess in this expression is probably linked to the historical requirement for Irish households to provide the soldiers of their English overlords with provisions at the low prices ‘assessed’ by the government. Alternatively, the word could be a shortened form of success .