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1.
basically a slang word for a man's genitalia.
"Hey! Wofford's nusticles have been neutered."
by pbagley January 20, 2008
 
2.
noun - the entire testicular area when unshaven and sweaty, typically after exercise or in the morning after a hot and humid night of nasty sex

adj - to be nasty, dirty, or otherwise just dispicable
"Forget her bro, she blows nusticle"

"After last night, I feel like nusticle today"
by Kip October 27, 2003