Vaginal discharge that a woman gets when she has caught a bad STD and doesn't bathe or get treatment for months.
Man, this chick got a bad case of cunt mustard.
by Defcon One February 12, 2008
2 more definitions
A person who is either gross or stupid, typically a female.
That chick is cunt mustard.
by newphraseman July 28, 2011
An insulting nickname insinuating that somebody is the thick yellow discharge of a highly infected vag.
by chook23 November 09, 2011