Worse than your average bastard. Slightly esoteric, used occasionally in the west of Ireland.
See that hairy lad over there, he's a bad bastard.
A Bad Bastard is a middle aged Obese Man, Who grunts and sweats alot when doing work with little physical demand. They also have areas of fat located on the back of there neck which are pure fat rolls. Bad Bastards come in various types and also have a passion for coffee and motorbikes apart from Kawasakis which are known to them as KawaCrappys. Bad Bastards make terrible jokes and pride themselves on Burping and Farting out loud no matter what the occasion. They also have distinct "M" shaped haircut with no fashion sense. Another distinct element of the Bad Bastards is singing terrible made up songs at the top of there lungs all while playing x-box. when feeling agressive, they spit and swear and talk about leaving there homes for good or beating or "banging skulls" together or shoving objects up there arses. They also like to think they have a reputation in there area. They also hate benefit scroungers
"You see that Fat Man there, He is a real Bad Bastard!"
"How do you know?"
"he farted out-loud and shoved something up his arse,"