A person whose only purpose in life it to serve as a dump for others' cunt, i.e. a useless and/or "loose" person.
That idiot cut me off, what a cuntdump!
by Joseph Frederick March 02, 2007
When a female goes to the bathroom after intercourse to dispose of the seminal fluid inside of her vagina
"My girlfriend always goes for a cunt dump after sex"
by Steve's sex emporium September 15, 2014