Wiktionary
how rude
interj. (context colloquial English) An expression of contempt, disgust or disdain.
Usage examples of "how rude".
Stop showin' off or I'll tell Auntie how rude ye' were, and when she finishes skelpin' ye', she willna let ye' meet any more ships.
I tried to ask with my eyes and face how rude and how human I was allowed to be today.
The ensuing conversation or rather, inquisition was notable as an example of how rude an elderly titled lady could be without being reprimanded or cut dead.
And when Lucern held her like this, she forgot how rude and pigheaded he could be.
No matter how rude and arrogant he became when she explained her request to him, she was determined to hold onto her temper.