What do you write when a gift is a real dud?

So this has turned out to be a real dud in terms of pumping money into this section of the economy.

I'd just had dinner in the restaurant below, leaving my date, a real dud, sitting at the table awaiting my return from the ladies' room.

Some of the MRAP models have turned out to be real duds.

"She must think I'm a real dud."