Top definition
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
by Milo July 26, 2004
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