What does Bate-the-wife mean?

Bate-the-wife meaning in Urban Dictionary

a noxious cocktail, consumed by NEDS, CHAVS or other antisocial categories of young deliquents , especially in Counties Armagh, Down, and Antrim in Ireland, and components of Western Scotland. Made by blending cheap powerful cider and Buckfast Tonic Wine (aka Coatsbridge dining table wine)