What is W00tn3zz?
The term referring to the base word, "w00t". The"n3zz" portion is to add more emphasis to the reason why you have said w00t in the first place.
"OMG! I just found a quarter! W00tn3zz!!!"
See w00t, woot, w00tn3zz, omg, rawroflolmaomg