Top Definition
A commercial database that plagiarizes authors' and students' works, preventing them from being remunerated. Turnitin is expensive and its burden usually falls on students' tuition. However, it is also completely useless because it can be cheated with any file, including Word docs and Adobe PDFs. Find out how simply by googling "cheat turnitin".
«My school wastes $60,000/year on Turnitin.»
«Awesome, great school!»
by nomeditempioenoch March 24, 2016

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Slang phrase from Manchester, UK that basically means "shut up you are talking absolute bullshit". If someone is telling some joker story bigging themselves up and you can tell they are lying to fuck then this is what you say to shoot them right down.
Someone you've just met : "Yeah man so it all kicked off so I banged one out, then another, then cruised past the bouncers back in to the club and found this bank card and sorted champagne on it paid contactless"

You "Turn it in you absolute goon you couldn't fight sleep you muppet
by Lee The King June 28, 2017

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Used if a prior arrangement is terminated by either party usually due to laziness, a lack of interest or tiredness.
Knock it on the head
Calton - "You wanna come round and watch Contact?"
Steph - "Turn that right in, that film is incredibly shite !"
by Wibbsy October 03, 2003

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1. The phrase used to hand something (i.e. assignment, test) in to the teacher.

2. Refers to the plagiarism detecting website: Turnitin.com
1. John: Oh...shit! We have a assignment due tomorrow.

Bob: Oh...yes! I forgot about that, is it for marks? Do we have to turn it in?

2. John: I have to turn in my essay online before 12AM
by plansauts February 07, 2010

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A Michigan term for turning in (giving up) a car fully paid for to get a new car
My daughter's car was a 2004 Mazda MPV, when she told me that it was paid off, I told her, "Well, its time to "Turn It In" and get a better deal on a new car."
by DebtFree January 31, 2009

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