mouse bitch
A bitch with a squeaky voice.
Guy 1: Look at that mouse bitch.
Mouse Bitch
A person who performs a devious act behind ones back. Not to be confused with a Rat Bastard.
Kelsus: Kristin told me not to tell anybody buttt...
Gen: No you Mouse Bitch!! You're not supposed to tell anyone!!
Gen: No you Mouse Bitch!! You're not supposed to tell anyone!!