Gam3r01 :
New keyboard time. Its been shorted out, hence the auto typing and non responsive keys.
I have spilt stuff on my keyboard numerous times (an entire glass of Mountain Dew, a glass of wine, a cup of hot tea and a glass of water) and have NEVER permanently "shorted" the keyboard (the voltages and currents involved are likely far too low). Yes, it failed almost immediately, usually by not working at all, or doing as the OP describes (making random characters etc).
You just have to take it apart, soak away all the excess moisture with a tissue, wipe it down with a damp cloth, and then dry it with a hair dryer. To do this properly you usually have to remove most or ALL of the keys (make sure you take a photo before hand, because it can...