1)used to refer to any place whose inhabitants are far too preoccupied with drinking,
politics and literature and have allowed their living
space to sink into a condition of extreme filth and squalor
2) room with a poorly patched hole in the
wall.
1)you idiots should do the dishes and stop drinking rhinegold and yelling about John
Kerry, otherwise this place
will turn into a C2-7B
2)I wouldn't lean on that
wall if I were you; this place is a C2-7B