A female that attends Northern High School in Calvert County, Maryland. The female typically has slept with up to 3 guys at a time, train-style or all at once. The girls can be easily picked out of a group by their looks, as most of them are blonde with black highlights in a crimped style. You may be able to notice the large camel toe in her jeans formed by over used vaginas, that have the possibility of flapping in the wind if given the chance. The females are usually associated with the desperate male trash that populate both Huntingtown and Patuxent High Schools.
Guy: "Dude, I was doing this chick and I found three used condoms inside of her! Not including mine!"
Friend: "Must be a Northern Girl"
"Did you hear about that chick that got nailed by a six man train?"
"Yea, she was a Northern Girl."
"That explains it."