stubla is the county monaghan version of the word sham.
It is mainly used wen knackers address each other.
it can also be term used by ordinary people who are trying to identify that someone is a knacker.
In other words its a short term for knacker.
Alright stubla,hows the balls off your ankles?
look over there at that gang of stublas hi
that fucker is a pure stubla hi!