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when the woman is so attractive that you're brain is incapable of saying bust a nut properly
"Yo bro look at her"
"I'm gonna nust a but to her when i get home"
by schlediumlover69 October 06, 2017
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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?
via giphy
by Nust a but June 12, 2018
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