I see no difference.
oooh.

If you change the 2 to a 1 in the top post.

It's you.

b3ta.com/talk/1366268
( Rev. Cleo still alive, Wed 27 Dec 2006, 23:05, archived)

nice adjective in the username, there.

(rnuk http://flickr.com/rnuk, Wed 27 Dec 2006, 23:06, archived)

I thank you.
I got it from dinosaur comics.

I then looked up the meaning, and decided it was a fair adjective.
( Rev. Cleo still alive, Wed 27 Dec 2006, 23:07, archived)

Callipygian was used in a dinosaur comic?
It's most commonly used to describe a womans bottom.
( stuj (^(^;;^)^) GO TEAM SPIDERS!(^(^;;^)^), Wed 27 Dec 2006, 23:10, archived)

Indeed.
dictionary.reference.com/browse/Callipygian
( NobbyNobody 21 years a b3tan, Wed 27 Dec 2006, 23:16, archived)

The dinosaur was describing himself.

( Rev. Cleo still alive, Wed 27 Dec 2006, 23:20, archived)