1. why-not - Noun
2. why-not - Adverb
A violent and peremptory procedure without any assigned reason; a sudden conclusive happening.
Source: Webster's dictionarywhy not
Fortunately, Elzevir takes him in. But when Block's lease on the Why Not? comes up for renewal, Maskew bids against him in the auction and wins. Source: Internet
Grownups: You Can Read YA, and Why Not Read It With Your Kids? Source: Internet
In "Why Not Me?", Kaling also addressed ambition and her conflicting feelings about wanting to leave "The Office." Source: Internet
Later he wakes up in the Why Not? inn - he has been rescued by Elzevir and Ratsey. Source: Internet
In 1977, Select Model Management opened its doors as well as Why Not Models in Milan. Source: Internet
Why Not Sneeze Rrose Sélavy? Source: Internet