An item of property (house, car, etc) that constantly fails resulting in paying more to fix. Similar to gasguzzler which takes up gas, moneyguzzler takes up your hard earned money over and over.
Person 1: I hate my Plymouth Breeze! Every time I fix the damn thing, another problem occurs that makes me pay more money!
Person 2: You have a moneyguzzler bro.
Person 1: Every time I do a house repair, another part of the house needs repairing.
Person 2: Move into an apartment, you have a monneyguzzler house.