In order to achieve something, courtesy, long-held norms, and other such formalities must be dropped.

(colloquial) It's none of your business, or not your responsibility; an exhortation to stay out of a volatile or delicate situation.

(idiomatic, informal) Absolutely not; under no circumstances; no way.

(humorous, euphemistic) Lacking in intelligence; dimwitted.

The person who is in charge, rather than a lackey or representative.

Misspelling of not’ve.

Presented at a size other than to-scale.

Alternative spelling of not so hot

plural of what-not shop

A phrase used on destination tags for some of a ship passengers' baggage, for goods that were to be stored in the ship's hold, rather than kept available in the passenger's cabin, or "Wanted in Stateroom"