A person whose rear end is spherical, and protrudes upwards and outwards out of all proportion to the rest of them.
Tony was mesmerised by her bubblebutt.
by FlightyR August 10, 2006
by boofloof March 11, 2019
by kingofstone August 26, 2012
Alison King is a complete cow sometimes but fuck she has a sweet ass. Good with the bad - gotta love a Goblin Bubblebutt.
by CasualPete December 30, 2011