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USB Humping Dog
This $20 USB device might be more useful if it contained storage options, but the dog -- which humps your computer when plugged in -- still could make an amusing joke gift.
Novelty Food Shaped USB Flash Drive
If you enjoy sushi, perhaps a novelty USB device depicting different types of the delicacy might be a fun storage addition.
The drive comes in 4GB and 8GB versions, and can be picked up for a starting price of $7.75.
Plusminus design USB sticks
Plusminus has designed a range of USB sticks which change size depending on the amount of data it holds. The creators say that when the device is almost at full capacity, you will be informed of the error on your PC -- and the USB drive will pump up like a balloon.