The combination of a bint and a cunt.
(a bint is a woman who is not very nice; usually rude.)
used when a woman is especially gross, mean, rude, gross, unattractive. essentially a derogatory word for a woman.
"are you going to Katie's party?"
"No! she's such a bunt."
"that bunt stole my boyfriend."
"i hate that woman, she refused me service in the pub the other day."