Originated by Jim Eldridge.

The phrase means to suck beyond all comprehension and reason. To suck worse than even sucking a regular nut.
"Check out the camber on this wheel arm, and the tread loss on my back tire, man. That sucks a left nut!"
by Peter Bradstock May 08, 2004
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Is a term to tell people to fuck off because who wants only one nut especially the left one
by Left nut November 18, 2017
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an insult used to spite someone, derived from the fact that the right but is clearly superior
by a kool persono April 02, 2020
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A way to tell someone that they can go fuck themselves.
Some random idiot: Your friends don't like you. Me: Suck my left nut.
by PhoenixGamer34 April 12, 2021
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