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.
Mathematicalinstrument that is intended for measuring angles. Can also be fired a great distance along a desk, a great event in the maths class olympics.
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.
girl1: Wait, do we need a Protractor for this test?
guy1: um, I don't know, I'll ask jason
5 minutes later
The whole class: Shit, i don't have a Protractor. Do you have a spare?!
10 minutes later
Girl2: Guys, this is just protractor panic, relax! We don't need Protractors.
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.
The whole protractor vs. contractor issue is not one that has an easy answer or solution --- on the one hand, modern farm-machinery is easier and simpler to operate, but horses and oxen do not cost nearly so much to purchase or maintain.