Manky

adj.

Heard in Kilkenny, Sligo, Waterford, Meath, Cork, Dublin, Limerick, Longford and Wexford

Horrible, awful, not nice. Also: Truly awful. Also: Awful.

In use

That place is filthy dirty, pure manky" "She threwup in the car it was manky" "Man Utds new kit is mankey

Posh English

That establishment is filthy and extremely unpleasant.

Same phrase, other counties