Worst: YSL L'Homme Livre.
Best: Mona di Orio Oud.
Thread: Best/Worst Frag of 2011
Worst - YSL Libre (from such a great namesake, comes a cologne that smells like a bloody abortion trainwreck)
Best - Kenneth Cole Connected Reaction (I really think this one is a masterpeice that people are sleeping on)
Worst: Bang Bang