Clusters of straight people, over-populators really, who tend to clog up certain venues you'd like to go to, and who usually have their bawling, sniveling brats in tow. They're LOUD, VERY LOUD! with a surfeit of laughter and are yeasty with the stench of stale wine hanging over them like the pall of DEATH. They're always in your way.
We wanted to eat a nicemeal at my favorite restaurant, but were repulsed by the legions of cackling breederatti and their unsupervised larvae who were partying there. So we ended up microwaving dietetic frozen meals at home instead.
A thrusting, ambitious type motivated solely by the pursuit of money.
The phrase was popularised greatly in the UK by the song (1973) of the same name by the rock band, Budgie.
He might be a multi-millionaire but there's no way you're going to persuade that breadfan to donate that houseto be your orphanage.