Male homosexual, but the particular nuance is not easy to isolate. On the surface, it is clearly a term of opprobrium. But no one can say it with a straight face, and so it takes on the air of cheerful self-mockery that we associate with Dame Edna or Crocodile Dundee.
Nobody out there but poofters sand sellers of loose joints.
In a porn flic, the one that earns the star her (occasionally his) large fee--the ugly or disgusting or degrading stuff that pays so well. In more general (and more anodyne) usage, any really important point, the point not to be overlooked.
The money shot in the prospectus is the paragraph where they admit they will never make any money.