a ginger is a person with red hair who people are jealous of because their hair catches attention without making it all colors of the rainbow. gingers have been scientifically proven to have a higher tolerance to pain. it's also well known to anybody who's slept with a ginger that they are excellent in bed & are quite kinky.
"this patient needs a higher dose of anesthesia because they are a ginger"
"i've slept with blondes & burnettes, but nothing compares to those hot gingers"