[A severed head rolls past]
Servo: Oh, it's a spare!
Crow: Gutter head.
Servo: Oh, it's a spare!
Crow: Gutter head.
[A severed head rolls past]
Servo : Oh, it's a spare!
Crow : Gutter head.
http://www.tv-quotes.com/shows/mystery-science-theater-3000/quote_29592.html
