Top Definition
When your boss Colin is so far up your ass he knows what you had for breakfast.
Oh no, I forget to submit my report...ill be getting my Colinoscopy before noon!!
by FunTimes June 21, 2005
1 more definition
n. When an English teacher named Colin grades an essay harshly.
Damn, Mr. Steigleder gave me a routine Colin-oscopy on my Junior Thesis paper.
by Purell444 January 21, 2014

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