To lift up your top lip to your nose, revealing your front teeth, and letting it flop down, slamming against your two front teeth, making a "ploop" noise.
Kids will laugh their asses off if you slam the door on your teeth. They're very big and beautiful, so it'll be very loud.
To get so unbelievably fucked up, you are mentally checking your brain out of commission til further notice
To forget the past present and future, and to 'break the world down' into something way to complex for the untrained eye to discover.
After Kevin and Dom forgot: how much money they started with, how many bombers were ate, how blood got on Dom's sneaker, and why Kevin's shoes were litterally gone the next morning. They concluded that they had a leave your shoes at the door night.