Peter, Peter, Caviar Eater - S2-E1
Stewie: I say, mother, this hotdog has been on my plate for a full minute and it hasn't yet cut itself.
Lois: Honey, I'll be right there.
Stewie: Oh, by all means, take your time. Oh and when you do finally get around to it, I'll be the one covered in flies a belly that protrudes halfway to bloody Boston! (00:00:31)
Chosen answer: It's a real song called "Elvira". Originally by Dallas Fraizer in '66, however, this version seems to be the Oak Ridge Boys cover version. However, the mega lesbians skip the verse and just sing the chorus after the opening line.
Bishop73