Fallon is an American pornographic actress perhaps best known as the first to perform ejaculating orgasms on film. Fallon began working for the Mitchell brothers at their San Francisco strip club, the O'Farrell Theatre, in the mid-1980s. She would perform a stage act where she would seemingly orgasm and squirt fluid from her vagina. This earned her the nickname "Squirt." She is mentioned in David McCumber's book about the Mitchell brothers, X-Rated, which claims that she actually would use water and hold it in her vagina with her strong PC muscles. She became best known for her Rainwoman and The Squirt series of movies, which featured her squirting orgasms. Fallon first retired from porn in the mid-1990s after appearing in more than 200 films. She came back to the industry in 2002, featured in a series of "mature woman" videos (despite the fact she was only in her mid-30s).

1988