1. Another word for nimwod. Someone that is acting like a total idiot can be referred to as a "Nimsack"
2. A word to describe the scrotum area of a Nim, which is literally anything. It can range from a midget to a dirty mexican.
1. Check out that guy playing with explosives. He is such a nimsack!
2. Hey Rudy, go suck a nimsack!
by Taylor Derr March 16, 2007

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