Limerick term for Tipperary. Based on the traditional Tipperary practice of bringing the hang sangwiches with them along with a flask of cabbage water or tae to the GAA matches for fear of having to actually pay for something. In reality this practice is shared by certain residents of all counties.
To express delight that something went awfully wrong for someone (they might have had it coming to them or deserved it in someway, or you might dislike them). For example if an insult they used backfired.