Edna Krabappel is Bart's fourth grade teacher on the show The Simpsons.  Edna is voiced by Marcia Wallace and is portrayed as a lonely divorcee.  She previously dated Skinner, but now mostly will throw herself at anything that's remotely willing.

Edna Krabappel Quotes

Now, I don't want you to worry class. These tests will have no affect on your grades. They merely determine your future social status and financial success. If any.

Mrs. Krabappel

Bart: Mrs K, you have to get out of here. When was the last time you washed your hair?
Edna Krabapple: Hmm, two weeks ago...
Bart: Well, that's better than me, but still, you gotta get out

The Simpsons Quotes

Lincoln, Lincoln. I've been thinkin'. What the hell have you've been drinkin'? Is it water? Is it wine? Oh, my gosh. It's turpentine!

Bart & Lisa

Officer Eddie: (reading Steve Sax's license) Well well, Steve Sax, from New York City.
Officer Lou: I heard some guy got killed in New York City and they never solved the case. But you wouldn't know anything about that now, would you, Steve?
(Lou and Eddie laugh)
Steve Sax: But there are hundreds of unsolved murders in New York City.
Officer Lou: You don't know when to keep your mouth shut, do you, Saxxy Boy?