A vaginal opening that has become so loose, as to merge with the anus and become one all-purpose mega-hole.
by J-Fi July 10, 2005
Get the cuntbuttmug. Secrement of the twat
by Nick "Edge" March 11, 2004
Get the cuntbuttermug. by Mrs. mornon normon July 10, 2017
Get the Governor cuntbuttmug.