RANCID

adj. stinking or reeking (to high heaven), foul-smelling, ill-smelling, evil-smelling, noisome, mephitic, miasmic or miasmal or miasmatic(al), smelly, rank, malodorous, fusty; nasty, disagreeable, odious, fetid or foetid, rotten, decayed, spoilt or spoiled, turned, bad, awful, sour, tainted, high, gamy, ripe, putrid, corrupt, stale To rid your fridge of that rancid smell, wash it out with a solution of baking soda