What is "dingers"

Usage examples of "dingers".

Three or four cups of tea and, in Dingers case, three cigarettes later, we tuned in to the World Service.

We took the piss out of Dingers radio because its held together with bits of tape and string.

I whispered into Dingers ear, unsure if wed been put together because the cell was bugged.

My body was becoming even more of a mess, but the worst bit about it was hearing them in Stans or Dingers room.