Irish feet is the term used to describe when you've reached the point of head-throbbing-wasted-awesomeness where you can't walk 3 feet without stumbling over everything that's in your path.
Guy 1: *points at drunk guy at party* "hey look at that guy over there, he's so sloppy"
Guy 2: "yeah that bottle of tequila gave him the Irish feet"
Someone wants u to cross oceans for them do this and do that but when u need a favor or even just a friend they have clay feet. Won't budge not their for u