English Dictionary
◊ PACK ON
pack on
v : gain, as of weight; "He packed on two pounds over the
summer"
English Computing Dictionary
◊ DID YOU MEAN HACK ON?
hack on
To {hack}; implies that the subject is some pre-existing hunk
of code that one is evolving, as opposed to something one
might {hack up}.
[{Jargon File}]
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