Unacceptability

[Sarah]

The quality of being unacceptable; unacceptableness.

[Ernesto]

A general term to decribe a moment when someone does something in a social setting which is awkward or socially unacceptable.
A moment in which could be described as [unacceptability] would usually result in you or your friends [cringing] to what has just been said or someone [getting pissed] off