I'm fuckin it - Your name is Dallas and you're so dead you might as well be

Your name is Dallas and you're so dead you might as well be in a coffin

Dallas: 'I'm fuckin it' while lying in a coffin

Your friend said 'Dallas is dead' and you replied 'I'm fuckin it'

You said 'I'm fuckin it' while your name was Dallas and you were in a coffin