Nastay is a new level of nasty because it sounds like namaste, which is associated with yoga, which is associated with calm, which is what you aren't if something is extra nasty, so it becomes nastay

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)

Nastay os a word that describes something that is even worse than nasty.

Something you say when you see a car that is really beautiful to you