The volume at which most stereotypical asian girls speak, the volume where if anything else is going on you won't hear her. Not restricted to asian girls also used by shy people.
No one car hear Tom because he's using his little asian girlvoice.
Someone who fantasizes about carrying out sexual acts or fetishes that are popular in Asian culture. i.e. sniffing a girls underwear that has been worn for an extended period of time.
Eugene: I want to sniff Julia's panties.
Cathy: Stop that, what would your wife say you Dirty Little Asian!