Gee hair 

Dublin slang - a unit of measurement based on the female pubic hair.

"I was a gee hair away from hitting that other car."

Gee hair by Paddy O November 6, 2004

Gee hair 

Mom slang for pubes.

"Girls, I have some really devastating news. Today I found a gray gee hair. It was long. I don't know how I didn't notice it until now."

Gee hair by kangaroopajamas December 29, 2013