It's an exaggeration of ignore. You use it when someone gets ignored, or you want to show someone that his opinion is insignificant. Or if you want to 'troll' someone.
a. To judge something superficially or with a short-sighted understanding due to reluctance, neglect, or ignorance of decisive facts, evidence, or knowledge.
She was so Ignorized she avoidedcrucialfacts that contradicted her arguments.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.