nadger /nad'jr/ v.
[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.