Bitch

Look it up at Wiktionary.

"Bitch" was an insult.

Rose Tyler 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 after it was revealed that it was really Brenda. Rhys later referred to the Nostrovite as "some alien psycho bitch". (TV: Something Borrowed)

Missy 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)