Commonly referred to as CGD, "Cheese Grater Dick" is a painful chafing that occurs as an affect of wearing jeans without underwear.
Chris: I didn't have any clean underwear this morning so I had to go commando today.

Eric: Dude, you are going to have a bad case of Cheese Grater Dick tommorrow
by Chrya Lewa September 21, 2009
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A person with a cheese grater dick is a very specific type of person. As soon as you look at such a man, you will immediately know of their cheese grater dick characteristics. Said person is quite a cuck, and lack much of a care for others.
Person 1: "Go fuck yourself, faggot
Person 2: "Shut the up, you cheese grater dick cuck"
by hallowedchris October 12, 2019
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