a sharp hum followed by the words 'what do you mean', this is a way for people to ask what is meant when they actually know the answer and exactly what happened, but want to buy time and is said very quickly to distract the accuser.
Koko: 'Ash did you just take a piss without washing your hands?'
Ash: 'hm, what jew mean?'
N. - A very mean person.
Xavier, why are you being such a mean bean extreme?
"im gonna go do da meaning of life to my girlfriend"
"ok thats cool."