"Dump" Natural Recordings by Native Speakers
To discard or get rid of something, especially because it is no longer wanted, needed, or useful.
Dumka is a noun. It refers to a sudden, often unexplained or unwise, decision or action. For example: "She made a dumka and quit her job without having another one lined up."
I apologize, but the word "dummador" is not a real word in the English language. It's possible that it's a misspelling or a word that is not widely recognized. Can you please provide more context or clarify the correct spelling of the word you're looking for? I'll do my best to provide a meaningful explanation.