Noony

It is a basic name or phrase used for someone that is totally inept, has a lack of understanding anything larger than four letter words , someone that walks in an almost zombie like manner, this can be used as a mild insult for someone that has been known to grass people up, the word is becoming common in warehousing and distribution centres in the UK,

Don't be a noony -you noony- what a noony-

To be slow, inept, have no sense of reality, walk almost like the living dead