If you hear some bells jinglin' this Christmas season, look out. It might be a dude with this thong on! In that case, you'll probably want to run. In this season of giving, some people are just, well, doing it all wrong. It's amazing how quickly North Pole-themed items can go so south. This mistletoe g-string is just the tip of the iceberg, pun intended! Click through to see some unsexy Christmas presents that you should not put under the tree unless your New Year's resolution is to be celibate in the coming year.