A large fat roll covering the whole of a females sexual anatomy
"Ew did you see that 90 lb cuntbumper on that drivers ed teacher how does she even sit in the passengers seat damn!!"
by buttmusket July 23, 2009
Two women who engage in the act of cunt bumping.
Ellen Degeneres and Rosie Odonell are two famous cunt bumpers.
by theJAW June 26, 2008