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1. ruditude
An attitude problem; the choice to behave in a generally unpleasant and rude way towards people around you for whatever reason, shows you display ruditude.

see also Ruditude and Sulkpot; two fictional minipins who from time to time crawl into a young child's brain through the ears, causing him/her to display unpleasant and oppositional behaviour.
As in:

Sulking child: " No! I'm not going, I want an ice-cream"

Parent: Oh dear, looks like Ruditude and Sulkpot are back!

particularly useful as a deterrant for oppositional behaviour during later teenage years, as it either makes the accused feel ridiculous or like a silly child...

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