A person who carries a pack of cigarettes in their back pocket all day long. Resulting in a FlatPack.
Joe, I could smoke a cigarette if you weren't such a flat packer.
A pack of cigarettes that have been flattened by a person who has carried them around all day in a back pocket, also known as a flatpacker.
Man, i was gonna smoke a cigarette but i got a flatpack!
A tootie rat is a child that takes bites out of everything and leaves it. When you have a Tootie Rat you will find things like a stick of butter with a bite missing or an apple in the fruit bowl missing a bite.
That little Tootie Rat got into the fridge again.