buttheadette

noun. A female-y form of butthead.

Real citation: "I'm so not, I'm a buttheadette today."
(bunny, Oct. 18, 2005, http://groups.google.com/group/alt.support.depression/msg/93570f6636137c67?hl=en&)

Made-up citation: "When a butthead and buttheadette breed, the gene pool trembles and sheds a tear."