I actually haven't heard of a lot of these, so this was wildly entertaining for me in class today. The only (funny) lesbian slang I really know of is "u-hauling"...and I thought there had to be more than that, right? Well thanks to UrbanDictionary.com, I have some wonderful slang terms for you.
lesbeaux: (n) a gay guy that loves hanging out with lesbians and/or identifies with lesbians. (i.e, Stevieee)
lesbro: (n); 1) a straight guy that loves hanging out with lesbians; the male equivalent of "fag hag." 2) a masculine lesbian that likes to "bro out" with her male friends or other masculine lesbians.
spaghetti girl: (n) a girl that is straight... until you get her wet ;)
Silver Star Lesbian: (n) a woman who has only had sexual intercourse with one man in her life (in this experience she either discovered or confirmed that she was indeed a lesbian)
lesbosaurus: (n) a very, very old lesbian
barsexual: (n) a girl that makes out with girls only at bars, usually for the attention of men
safaux/safauxsexual: (n) a girl that that says that she is bisexual or gay for the attention or because she thinks that it's "trendy"
Gay-OK: (adj) when a straight person is queer-friendly