By tippin' his shades, joe camel is saying "c'mon kid, smoke some cigs and quit being such a dick" and then when you finally take a smoke he smoothly says "bullseye"
COOLEST SIBLINGS AROUND! This is probably that type of family who don't have any other friends but themselves and rent the same movie from blockbuster every friday night. Probably Night at the Museum or some kind of Pixar movie.