A protractor is a measuring instrument. Most protractors are divided into 180 equal parts. A protractor should under no circumstances be used to measure your PP, whit the only exception of having a unnatural crooked dick.

Mathematical instrument that is intended for measuring angles. Can also be fired a great distance along a desk, a great event in the maths class olympics.

A protractor is a devil tool used in a wood shop or a math class. It is more than that tho every protractor ever made is soaked in demonic acid and they will haunt you. Green protractors are like the devil. It’s like how demons aren’t as scary as the devil but still scary; regular protractors aren’t as scary as green ones but still scary.

it's the asexual version of scissoring, so basically cuddling

Ugly but with sharp features used as an insult. commonly used in PEI.

The panic before a math exam when somebody asks if you need a protractor for the test. Five minutes later everybody is panicing because they do not have a protractor. Eventually somebody realises that nodody needs a protractor and assures people that their panic is unnecessary.

Refers to the debate over the benefits and drawbacks of using engine-powered vehicles instead of livestock to pull processing-implements for crop-fields. A protractor is a geometry device used to create/plot charts and graphs showing the various advantages that gas/diesel/electric motive-power has over horses or oxen, while a contractor is a hired professional whose job is to present the negative effects of motorized farm-machinery.