An action or a person. Something or someone that you know is straight, but is so close to being gay that you question it being straight.
Wait.. did you see that guy, he is a total jethro.

Did you just say "total jethro", dude that was jethro.
by Andres Gonzalez February 2, 2008
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"Hey Jethro, what does your name mean?"
"Abundance."
"Abundance of shit?"
"Yeahhh"
by PMASSPICS July 2, 2019
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What Squidward uses to address Spongebob when he thinks Spongebob is acting like a pioneer, particularly when they are trying to deliver a Krusty Krab pizza.
by Bbobe26 June 13, 2011
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The NZ form of a hillbilly or bogan Enjoys saying hot diggity dam, eats too much and plays the banjo.
by squashi_mitsu December 6, 2003
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1.Super-Fly
2.The prophecized one to lead the revolution against the dunlapian forces
That 'stache is JETHRO

by Jethro January 8, 2003
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A term used to get someones attention. Also a goofy way to grab attention.
by supaman12 November 7, 2007
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an extremely impressive bong which a large grouping of persons in a single city has hit.
jackass 1: god dammit, jeff's bong is the shit!
jackass 2: fuck that man, Jethro is way more crucial.
by Tons-Of-Fun December 19, 2005
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