"These guys do it because they want to grow the game of rugby. We want to do it because we want to save our f***ing country … We've got f***ing 40 murders a day. All the women get raped every day.
"These guys are playing rugby to get it on the map. That's their motivation. They've got a 120 million people, they're one of the richest countries in the world, that's their motivation. It's pissing me off that they think that gives them the right."
At one point, Erasmus turns to individual players and tells them to intimidate the Japanese right from the outset.
"Don't smile at them. Please don't smile at them. Siya [Kolisi], when you get the toss, let them get the idea 'I'm here to f*** you up'.
"From the first kickoff, from the first scrum, look them in the eye ball and let him understand all the s*** that they wrote in the newspaper.
"If you've got respect for me, because I've got a lot of respect for you guys, if you guys walk out of here and think that this is a joke, then you're joking with the country and you're joking with South Africa.
"I want you to take this up seriously and I want you to f*** them up physically for 15 to 20 minutes. And if they give in, fantastic, and if they don't give in, then we just tactically with the plan f*** them up.
"These guys are playing for something much smaller than we play. They're playing to put rugby on the map. We're playing to put a country together."
The Springboks ended up defeating Japan in a dominant 26-3 win and would go on to claim the World Cup title.
Watch the full uncut team talk below (warning: explicit language):
