Originally Posted by sunshineleith
BIMBAM - he means rolling the "r".
OK, now I get it. It used to be quite common in Quebec, even in the Montreal area. It is still heard in some regions of Quebec, especially among older people, but it is no longer all that common.
It is still pretty common in some regions of Canada like Acadia, and most Acadians tend speak French with rolled Rs.
Regardless, most people consider this trait to be quaint and folky. It is quite common for people who do not speak this way to say that people who do sound like they are singing when they speak : on dirait que vous parlez en chantant...
I guess they find it melodic.