Monty Python and comp lang lisp
Recently Seen (August 2003) on comp.lang.lisp:

First C.L.L'er:
We have found an academic. May we burn him?
Other C.L.L'ers:
Burn him! Burn him! Burn him! Burn him! Burn him!
Bedevere:
How do you know he is an academic?
First C.L.L'er:
He defended Lisp-1!
Second C.L.L'er:
He mentioned abstraction!

Third C.L.L'er:
He captured me in a closure!
Bedevere:
A closure?
Third C.L.L'er:
I got returned...