Gender and sexuality studies is a collective term for the interdisciplinary study of human gender and sexuality. It includes such fields as Women's Studies, Lesbian and Gay Studies , and Gender Studies. Some scholars in those fields reject this term.
Some basic topics/key words in gender and sexuality studies to get started: (note that some of these may not have that much to do with G&SS itself, but rather with the subjects studied in G&SS)
Slang terms for keyword searches: butch, femme, drag queen, faggot, dyke, trannie.