a girl or male gender who is willing to make commitment to either sexes. being bi-sexual is not JUST being attracted to the same sex and the opposite sex. being bi-sexual is wanting a relationship or else it's just being attracted and not being bi-sexual.
Sally was dating Robert for a while, but they broke up. Now she's dating Jill. Sally can choose at any time to begin a relationship with person of the opposite gender, making her bisexual.
This word is commonly misunderstood. The most commonly known definition of bisexual is "Liking both men and women." This is incorrect. The real definition is having a romantic or sexual attraction to two of the genders (such as liking trangender males and males, or females and transgender males, etc.)
A person who is sexually attracted to both sexes but does NOT want to have a threesome with you and your boyfriend. They are NOT greedy, waiting to come out as gay and they are not desperate.