Drunkifier is a shell script written in perl. It takes input from the keyboard, a pipe or a form on a webpage and translates the text into drunken text.
Not at the moment, no.
The latest version (1.0.0) including source code can be downloaded from here.
If you would like to use the script on a website, check out the the CGI wrapper, although this will take some tinkering to get to work.