Intentionally offbeat,
blunt, and sarcastic Australian humor to exclaim that you mean
business and you're not here to waste
time.
It's also rhyming slang with "not here to kick the tires" of a car for sale, which has a similar meaning.
1. "So, are we going to the pub or what?"...
Jono
"We're not here to fuck spiders mate, let's fuck this
puppy."...Sambo
2. "Your first month on the
job has been fantastic. Sales have gone through the roof"...Manager
"Well, I'm not here to fuck spiders. When I'm I going to get my commission check?...Sales rep