This word originates from the London Docklands area and specifically Canary Wharf.
Thought to have taken it's roots from the popular alcoholic brand Bailey's Irish Cream; it now stands for unparalleled evilness and a clear ability to plot the downfall of others.
The word Baileys is also closely associated with a love of hand cream.
That girl is annoying me; she needs a bit of baileys.
Oh I hate my manager so much someone needs to teach him a baileys lesson