by Franniepack August 23, 2011
Get the Ginormous buttmug. A ginormous butt is someone that gets in the way of everyone else's fun. It's different than a big booty because big booties are awesome and fun to watch. Ginormous butts are really annoying and at least 3 feet wide.
by trdnick August 23, 2011
Get the Ginormous Buttmug.