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2.
having a beautifully shaped buttocks.

from ancient greek kalli-, meaning beautiful, and puge, meaning ass.
dude 1 - yo, you see dat fine ass bitch ova deah?

dude 2 - yeah, man. i would uze da woid callipygian to describe dat shit, yaknowwhatimsayin.
by Hawaiian Dicking July 06, 2009
 
1.
Having beautifully proportioned buttocks.
Strong Bad's success with the ladies can be explained by the fact that he is extremely callipygian.
 
3.
Of, pertaining to, or having well-shaped or finely developed buttocks.

From the Greek 'beauty' + 'buttocks', also the name of a famous statue of Venus
1648 Sir T. Browne Pseud. Ep. Calliphygae nd women largely composed behinde.

1800 The Calliphygian Venus

1885 Athenaeum The Calliphygian luxuriance he so deplores
by OED January 07, 2005
 
4.
Having a shapely buttocks.

from the Greek:

Kalli - Beautiful or Shapely
Pyge - Buttocks pigu ???
his latest sculpture embodies the callipygian ideal
by Bob "A" February 18, 2005
 
5.
Having outstandingly attractive, deliciously well-shaped buttocks.
Man, did you see Denise? That girl is callipygian!
by Nagrath June 21, 2010
 
6.
Having nices "buns", can be used for a male or female, describing a butt, or buttocks.
Danny: DANGGGGGG DOE LOOK AT DAT GURL SHES SO CALLIPYGIAN
Joe: DUDDDEEE YES, SHES SO MY TYPE< SHES SO, CALLIPYGIAN
by MGnT1999 November 20, 2013