(an individual being interested in both the opposite sex and the same sex, in a romantic/sexual fashion); A person who "swings both ways
For a guy, this is most likely repulsive in untold capacities, as is any guy that would like cock in or around his mouth. But he is usually not a flamer, acting straight with only a few gay quirks.
For a girl, however, it is the epitome of hotness. Not only does does she suck cock, but if she has a hot friend, then the passage of the legendary threesome
becomes open to all.....
Oh, I'm a pendulum ;P.