To fail so badly that when all the passing grades were removed from the curve, the Sherpa Jack grade will still fail.
Guy 1: Oh man, physics was so hard I think I Sherpa Jacked it.
Guy 2: Yep, you're stupid.
by D42HIKE! June 13, 2008
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Jack Barakat

Jack Barakat:(n.) an EXTREMELY gorgeous guitarist for an AMAZING band, All Time Low. He and Alex Gaskarth (lead singer, lead guitarist) recruited Rian Dawson (drummer) and Zack Merrick (bass guitarist) and the four went on tour, immediately becoming a crowd favorite with their winning personalities and amazing talents. Jack has started his own clothing line for Glamour Kills (JAGK) and is possible the most popular member of the band. Well, besides Alex:) Jack is very random and funny and, although he plays guitar, it does not necessarily mean that he is good at it;) He jokes around about everything, from Alex's curvy, blue penis to herpes to fish. You can find out what other things Jack and the rest of the band joke about in interviews on Youtube. just type in "All Time Low Interviews" and go from there:)
Jack Barakat: only bested by Alexander William Gaskarth
by sarahmichelle:) April 5, 2009
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A rather decent show by Genndy Tartakovsky, which is played on Cartoon Network. It's about a samurai called Jack (called so by a group of ghetto-speaking thugs in the second episode), and how he is ripped into the future where the almighty being Aku (japanese literal meaning for "evil") rules all, including various locations in the heavens.

Yes, it is a type of rip on anime, and there was even a character on an episode that looked like Jigen from Lupin III. But with its cinematic soundtrack & other interesting things, you really could do worse. In fact, the purpose of this show is NOT to rip on anime! It's called APPRECIATION OF CULTURES! Unfortunately, people just don't get it. -_-'
"Aku is funny. I thought the funniest episode of the show was when he was trying to brainwash the children into disliking Jack, by reading them a bunch of fractured fairytales."
-me
by Dave March 28, 2004
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person 1: hey do you like jb?

person 2: yeah man i love jack barakat!
by suulfurrseaa May 26, 2013
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i just burnt down an orphanage but the jack manifold grind never stops
by poggerstegan February 20, 2021
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noun
To literally be the most average thing in the entire world. When something is jack average it is beyond "average", it is super average, uber average, extremely average. Often disappointingly average but can be used to just describe something commonplace.
Considering the all the bloody hype, I expected the Warped tour to be extremely freaking awesome, but it was just jack average. So I went home and punched a hole in my wall.

Parkuru, "How's your day going?"

Kezric, "Meh...jack average."
by adelews September 10, 2007
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A statement that is true in the absolute sense, and will not even tolerate a discussion.

Origin: the cinematic masterpiece Stripes.
General: Are you telling me that you men finished your training on your own?

Soldier: That's a fact Jack!

Additional Soldiers: That's a fact Jack!
by frisco3 April 22, 2008
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