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".

When you eat dirt for the first time and leave your family to build a shack in the woods

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.

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

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

2. Refers to the plagiarism detecting website: Turnitin.com

A Michigan term for turning in (giving up) a car fully paid for to get a new car