Bitch

"Bitch" was an insult.

Rose Tyler once called Cassandra O'Brien.Δ17 a "bitchy trampoline". (TV: The End of the World)

Jack Harkness called Brenda Williams, whom he believed to be a Nostrovite impersonating her, an "ugly bitch". Rhys Williams punched him for uttering these words, after it was revealed that it really was Brenda. Rhys later referred to that Nostrovite as "some alien psycho bitch". (TV: Something Borrowed)

used the term, telling the Daleks to inform the Supreme Dalek that "the bitch is back", presumably referring to herself. (TV: The Witch's Familiar) She told Jorj, "don't be a bitch", when he asked her if she was human. (TV: World Enough and Time)