maghanap ng salita, tulad ng ratchet:
An empty nutsack; a scrotum that is sans testes.
My brother felt bad looking at his dog's nitbag flapping in the wind so he bought him a set of Neuticles.
ayon kay Doctego ika-23 ng Setyembre, 2006
An insult to someone - originating from the negative connotations of a nitty.
"That Jono guy seems like a huge nitbag."

"Yeah, he is. Even Tom is cooler than him."
ayon kay tomlawler ika-07 ng Hulyo, 2013