by DavidFury December 22, 2004
 Get the bubble-buttmug.
Get the bubble-buttmug. by Keith November 29, 2003
 Get the bubble-buttmug.
Get the bubble-buttmug. A much sought after attribute in the male homosexual world. A guy with a bubble-butt has a nice, round, full buttocks.  Often found in dancers and ice skaters.
by Papain August 30, 2005
 Get the bubble-buttmug.
Get the bubble-buttmug. A bubble-butt is a cute young guy, with round firm boy-buns and a tight pink asshole that other dudes like to rim and fuck.
by USAF Cadet September 29, 2021
 Get the bubble-buttmug.
Get the bubble-buttmug. Contrary to popular belief Bubble Butts are ~not~ big asses.  Bubble Butts are round like a globe, usually complement a slender/slim body, they are very tight and firm unlike the one's on fat asses...
by gravisan January 2, 2006
 Get the Bubble Buttmug.
Get the Bubble Buttmug. by Meek T. Eep November 5, 2005
 Get the Bubble Buttmug.
Get the Bubble Buttmug. A big, fine perfect round ass. It is not huge and gross, just bigger and better than average size. Every girl should have one of these. These anatomical masterpieces can give many guys an erection.
by Radical Republican December 28, 2005
 Get the Bubble Buttmug.
Get the Bubble Buttmug.