This is one word and is used to define the sack everyone has on their butt. This word is used in day-to-day conversation. (Yes I spelled the word right it’s spelled buttsac not buttsack)
by BlueDerp January 9, 2019
Get the Buttsacmug. by andyGILL July 24, 2005
Get the Buttsacmug. by Chris Wills July 7, 2003
Get the buttsacmug.