The premeditated act of fellatio between two heterosexual males at a glory hole at a adult book store or under the handicap stall at a rest area for sexual gratification.
Two heterosexual males who secretively allowing each other to perform fellatio on each other, so they can give each other sexual gratification while their girlfriends or wifes are not around because they don't want their girlfriends or wifes to find out that they have bisexual tendencies.
Two heterosexual males with bisexual tendencies who perform fellatio on each other at the urinal or inside the men's lockerroom at the gym.
Two males who are heterosexual with bisexual tendencies that secretively allowing each other to perform fellatio on each other behind a dumpster that is near a empty parking lot at a restaurant while nobody is around to find out.
A group of heterosexual males that are well-endowed and not born physically handicapped that allows a heterosexual male that is born physically handicapped to take turns performing fellatio on them,or a heterosexual male that is born physically handicapped that allows a group of heterosexual males that are his friends to take turns performing fellatio on him only when he is available for them only when they are horny.
A homophobic heterosexual male that would not give a blowjob to a gay male or a bisexual male for sexual gratification but would give a blowjob to another homophobic heterosexual male for sexual gratification.