tell him his beer tastes like moose piss and maple syrup.
tell him the only good thing about his militarys helecopers is they have lots of spare parts no charge. [horribly unreliable]
ask him how he feels about his country kissing your ass and selling everything they own to you.
if he lives in quebec. ask him how he feels to be hated by not only his neighbors to the south. but also his fellow canadians.
if he does not speek french google translate a phrase into french. when he does not know what it mean tell him he has no right to be a canadian if he does not speek the fucking language