"Fig nuts" is a term popularized by the Adult Swim cartoon "Sealab 2021". Captain Murphy uses this term as an insult to people who he thinks are stupid, ignorant, or annoying.
(On his radio show)
Caller: Hi I'm Larry.
Captain Murphy: Where's Moe and Curly, fig nuts?"
Captain Murphy (responding to profanity): I don't know who you are but I run a clean show here. (Sound of toilet flushing) Maybe this will wash your mouth out, fig nuts."
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A homosexual male that has a small dick/ small balls, hence the term Fig Nut, which is a small nut
Person #1: Dude I'm fuckin scared
Person #2: Grow some balls fig nuts
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The only term I have heard but was not defined on this website.
Go suck a fatty fig nuts!
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