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2.
An office or home printer that "jams", but there is no real printer jam. A phantom jam can be extremely frustrating in re-occurrences, resulting in the urge to drop-kick the printer out the window. The movie Office Space depicts a phantom jam, where the printer in question is later destroyed.
Printer jam? There is no printer jam! Piece of **** phantom jam!
by FrostyBB July 08, 2010
 
1.
A traffic jam that seems to happen for absolutely no reason. No roadworks, no traffic lights, no car crashes, no nothing. Just a great big traffic jam.
The common driver is often left not only frustrated, but also confused, after coming out of a phantom jam.
by Atomik Spongeface June 16, 2008