1.
Homosexual, for a man to be in love with a man. Commonly referred as a women and a women
being in love, how ever that is known as being lesbian.
2. Used as an insult, being referred to as bad. Usually used by a homophobe, however many nonhomophobic people have come to use this term as well.
3. To be happy, or in a good mood. This is rarely used as someone could easily think you mean you are being gay for some period of time, suggesting
you are not strait.