Acronym. "No value added.", someone usu. a co-worker that performs no useful work.
That guy is totally NVA. He shows up and reads the paper all day.
North Vietnamese Army; aka Vietnam People's Army.
The NVA were the communists who fought against the Southern Vietnamese. Vo Nguyen Giap was one of it's most notable commanders.
Non-Value Added. Synonymous with HR
HR is a total NVA department. All they do is screw the people who actually contribute to the bottom line of this company and talk about lunch plans for the next day.
(Acronym) No Vertical Application. Derogatory remark, usually referring to a woman, which infers that her only useful function is a horizontal one, i.e. only good for sex. The term NVA is applied to anyone who displays stupidity or otherwise suggests that they are useless.
That waitress hasn't got anything right today, she's so NVA.