It’s a genetic quirk of the Patterson. They’re all ass backwards.
That was my first thought, too. But then I thought, “How could THAT be a thing?”. I know many Canadians, and I’ve never heard any of them say anything even close to that.
Who is “Letterman”? Sounds like the name of some creepy old guy with a big gray beard.
Or Vanna White’s husband.
A large pen supply?
Or somebody to have the gall to possess the right-of-way when Elly needs to make a left hand turn.
You don’t know that!!
Shorthand for, “he has decent teeth, but he still doesn’t measure up to a Patterson”.