Used to describe a person who is so incredibly drunk that they end up falling asleep in a wide variety of places. Places can be, but are not limited to, couches, dryers, suitcases, hotel floors, people, doorways, and small crevices between beds and walls.
Yo, you were so flannied last night that before you passed out you screamed you were the pussy demolisher
Checkered shirts made out of flannelette, usually worn until old and ragged with jeans or khakis. Worn by working class people like builders, construction workers etc.