Notes on  NADGER 

[UK, from rude slang noun nadgers for testicles; compare American &
British bollixed] Of software or hardware (not people), to twiddle
some object in a hidden manner, generally so that it conforms better
to some format. For instance, string printing routines on 8-bit
processors often take the string text from the instruction stream,
thus a print call looks like jsr print:"Hello world". The print
routine has to nadger the saved instruction pointer so that the
processor doesn't try to execute the text as instructions when the
subroutine returns. See ADGER.

J3N Research Labs

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