RORY: He’s gonna be expecting Chilton High School senior Trixie McBimbo.
LORELAI: And her mother, Bambi McBimbo.
Trixie and Bambi McBimbo are names Rory and Lorelai invent for their fictional characters of an airheaded teenager and her mother. I have seen these names used a lot, even in published works – but only after this episode aired, so they have gone on to have lives of their own.
The Annotated Gilmore Girls 