Banny bastard
A banny bastard is a annoying person who won't shut up about themsleves or if you want to insult an irish man but have nothing better to say it is an Irish term used by legit only one man (me)
Guy 1: oi fuck off
Guy 2: aye shut up ye banny bastard before I shiv ye
Guy 2: aye shut up ye banny bastard before I shiv ye