a. Anything that has the property of nust or is nusty.
b. A smell that is somewhat unpleasant but only relating to the qualities of nust c. small fragments or tiny bits
1. Wow, it sure is nusty in here. 2. Aww, I just got some nust on my new A Team jacket.
by Jonas Schultz April 13, 2007
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NUSTING is where a man places his penis in between a girls but cheeks. She tenses her but cheeks up and they act as a vagina hole during sex.

This good fun for sexually erotic people. Could cause the girl pain if not used to.
I was really NUSTING her last night
by ShellyMetz January 10, 2016
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Nust a but is a term used by autists to describe the act of masturbation, similar to bust a nut, only it's more autistic.
Autistic aron: hey dawg, imma go nust a but

Stewart:the fuck?
by Nust a but June 2, 2018
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Adjective, meaning cool or awesome. From naZ, MPS word for "cool or awesome"
"I boned a madd hot chick last night" "Nust man, nust."
by Donnie April 16, 2004
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used to enhance a word (word enthesis) see nest for other meaning
" im rite acenust"

"yesnust"
by The dunces June 1, 2007
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The process of injecting semen back into the penis in order to recycle it. Reduce reuse recycle.
“Can you go for another round?”
“Sure. Let me just nust and we can go again”
by Jewsh March 2, 2018
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