A progressive-rock band fronted by Ian Anderson-the best one-legged flute-playing sheep farmer in rock and roll today!
Teacher: Class, today we will learn about Jethro Tull.

Class: You mean that boring prog-rock band my dad likes? The one fronted by a sheep-shagger who plays the fucking flute?

Teacher: No, the guy that revolutionized agriculture in Europe in the 18th century by rediscovering techniques used by the Chinese in the 6th century.

Class: Oh, THAT Jethro Tull!
by Shite from Shinola October 22, 2009
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"Jethro Dull" according to Jimmy Page.
Bill: You like Jethro Tull?
Jim: Jethro Dull man.
Bill: True.
by ottop December 22, 2006
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Jethro Tull invented the seed drill; he was part of the group that created scientific farming as we know it. Also an overrated prog rock band with an electric flute player.
When the history teacher told us Jethro Tull invented the seed drill, we laughed like crazy.
by aleclair July 24, 2005
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(v.) The act of incorrectly assuming that a band whose name is a person's name is the name of a member of said band. This is most common by assuming that the band Jethro Tull's front man is actually named Jethro Tull, when, in reality, his name is Ian Anderson.

It is also common with the bands Gogol Bordello, Steely Dan, and Pink Floyd.
Mike: Did you see how amazingly Gogol Bordello can play his guitar?

Jeff: Dude, quit Jethro Tulling, the guy's name is Eugene Hütz, but he is most definitely amazing!
by LuciferSam1967 September 8, 2010
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Fronted by Ian Anderson (the flute-playing, codpiece-wearing badass), this band is behind the brilliance of songs such as "Aqualung" and "Locomotive Breath" as well as the concept album "Thick as a Brick."
"A lot of pop music is about stealing pocket money from children."
by [dp] leviathan April 30, 2005
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an amazing prog/folk/hard/blues rock band founded in 1968 by the most bad ass flautist ever, Ian Anderson. their first album was This Was, followed by Stand Up, Benefit, Aqualung,(their most commercial album, but quite possibly one of the best), Thick As A Brick, and countless others. The only two consistant band members since the band's inception are Martin Barre (guitarist) and Ian Anderson(singer, flautist).
to the faggot who said the beatles are heavier than Tull, listen to My God, Aqualung, Hymn 43, Cross eyed Mary, Locomotive Breath, or To Cry You A Song. all great, hard rock Tull songs.

Jethro Tull rules.
by streetmoney February 13, 2007
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Progressive rock band formed in the 1960's. Marked by the quirky vocal style and unique flute work of frontman Ian Anderson. Named themselves after the inventor of the speed drill.
by BadLieutenant November 14, 2004
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