In professional team sports, it means to "lose purposely" in hopes of getting a good draft pick for the upcoming season. Of course no one on that team will admit they are doing it purposely.
The Carolina Panthers are tanking the 2010 NFL season because they want Andrew Luck from Stanford quite badly!
Country that pretended to be yugoslavias friend throughout all the european wars, and now pretends to be an ally of serbia. Altough they profit from every time they "save" serbia and former Yugoslavia. One such example being the Kosovo crisis, when they entered Pristina (Kosovos Capital) and demanded money from America. They got paid, and left, the end.
Serb : "Russia will save us!!!"
2 seconds later, shot in the head