radgie gadgie 

An angry person, typically an old man. Radgie gadgies are most often angry at the shenanigans of children and teenagers.

Our school caretaker is a right radgie gadgie, all I did was set the goalposts on fire.

radgie gadgie by gjellybean May 2, 2009

radge-a-gadge 

like rent-a-car, but instead of renting a car, you radge a gadge

radge-a-gadge is fairly self explanatory really

radge-a-gadge by djbs September 21, 2012