In gay slang, a "friend of Dorothy" (FOD) is a gay man; and more broadly, any LGBTQ person. Stating that, or asking if someone was a friend of Dorothy was a furtive shibboleth used for discussing sexual orientation while avoiding hostility.
== Dorothy from Oz and Judy Garland ==
=== Dorothy from Oz ===
The precise origin of the term is unknown. Some believe that it is derived from The Road to Oz (1909), a sequel to the first novel, The Wonderful Wizard of Oz (1900). The book introduces readers to Polychrome who, upon meeting Dorothy's travelling companions, exclaims, "You have some queer friends...