Definitions by Rexmouse

Fiamouse 

1. A person whom attends NIU in order to get bitties #'s and give them to another mouse. You will typically find this person shopping on Forever21.com, as well as watching The Kardashians.

2. A Bimbo.

When I got to the party, fiamouse was there first pumpin it up

Fiamouse by Rexmouse August 25, 2010