"Not responding is response" - Jonathan Carroll, word porn. Relationship quotes and inspirational quotes. These quotes can be helpful to support your relationship goals, advice, tips and ideas for happy friendships, and happy relationships.
If someone is rude or disrespectful towards you, politely excuse yourself and walk away. It sends a clear message to the other person that what they've said or done is unacceptable and that you won't tolerate it.
I don't hold grudges. I hold memories that keep me better prepared for our next encounter, which of course will end with you getting your ignorant ass kicked to the curb as you have become so accustomed to.