The joke she referred to is said in that movie, by the kids teacher ... Kyle Broflovski, Stan Marsh, Eric Cartman and Jimmy Valmer in ‘The F Word’ episode of “South Park” in Season ...

[South Park]. Ike Broflovski, Kyle Broflovski's adopted brother, is from Canada. Don't forget the comedy duo Terrance and Phillip, beloved by our favorite fourth graders, and don't 'blame Canada!'" ...

Colorado governor Jared Polis has used South Park as a way of celebrating the US’s close relationship with Canada. As reported on Bleeding Cool, at the first ever Canada-Colorado Friendship Day ...