Kben's definitions
a butt where the two halves move intwo directions at the same time, the left will go up while the right goes down.  when they cross they form a badunkadunk
Matt was walking behind the girl to see if she had a badunkadunk butt.  then he prematurly ejaculated all over his whitey tighties.
by Kben December 12, 2006
 Get the a badunkadunk buttmug.
Get the a badunkadunk buttmug. by Kben October 26, 2005
 Get the c notemug.
Get the c notemug.