An unpleasant process, especially one that is hidden from public view, that is used to produce a widely consumed product: lots of people like sausage, but few would enjoy watching leftover animal parts ground up to make it.
Some college football teams have an easier time getting to BCS games than others, but it's all a big sausage factory anyway.
Phrase usually uttered by male humans in exasperation on finding oneself in any social gathering - having previously assumed said social gathering to be an ideal opportunity to attain a suitable mating partner of the opposite sex - where the possibility of heterosexual pairing is considerably lower than expected.
"I have failed in my genetic imperative to mate with a member of the opposite sex because the social gathering I attended was a sausage factory."
My name was Micah but its not any more because some one else has my name. BUT THE MEANING OF SAUSAGE FACTORY is being any where at any inclosed space and it being filled with guys and no ladies to balance out the sticks and buttons.