The genderqueer flag.
Genderqueer mainly refers to someone who identifies outside the gender binary (that is, not as a boy or a girl). Some genderqueer people have many overlapping gender identities, while others may just have one not very common identity. Genderqueer is also used as a term for those who express their gender identity in non-normal or queer ways. Another way genderqueer is used is to describe someone who is in between genders. There are a lot of creative uses for this word, so everyone who needs it can find a way to make it fit.