To take more than your fair share of fridge space (usually common in shared households). The offender either buys more food than they can store or spreads out their food over the whole fridge in such a way that you have to remove their food before you can get to your own.
Cliff: What do ya think of the new guy then?

Matt: He's okay but I can never get to my food.

Cliff: What, you mean he's a fridge-jacker?

Matt: Yeah.
by sixxon June 19, 2007
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