What is gail the snail?

"Gail the Snail" is a character from the television show "It's Always Sunny in Philadelphia." She is portrayed as a disgusting and promiscuous woman who is constantly covered in slime and is referred to as "Gail the Snail" by the main characters because of her gross behavior and appearance. Gail is known for her inappropriate advances towards the male characters on the show and her unpleasant demeanor. She is largely disliked by the main characters and is often the butt of jokes and insults.