mouseturd 

A bastardization of the word mustard, for people who like to garnish their burgers and dogs and swear at the same time. Goes well with katshit.

Joe: All this burger needs is a little mouseturd ... mebbe some katshit too.
Celia: <sigh> Can't you say anything without fucking swearing for once?!
Joe: <rolls his eyes> Tse, I'm just kidding, for fuck's sake!

mouseturd by ocius1 April 6, 2009

mousebrain 

A playful/less offensive insult from the book series Warrior Cats

Used to describe a cat who is absent-minded or has silly or dumb actions

You’re such a mousebrain, Fireheart!

mousebrain by freewifim8 December 26, 2017

mouseburger 

A plain, bland, nondescript person, usually female.

She is such a mouseburger, I never pictured her stealing my boyfriend.

mouseburger by Sheena Louise June 30, 2006

mossbird 

Looking at things from a higher perspective. Eating the seeds of knowledge and using it to accomplish goals.

Just look at it from a Mossbird's perspective

mossbird by eque July 24, 2006

mousebidextrous 

Ability to use mouse with both hands equally well.

Look, Monica can use the mouse with either hand, she must be mousebidextrous.

mousebidextrous by WoozBro July 6, 2011

mossbird 

the baddest bird alive

yo am as bad as a moss bird hommie you better watch your self player.

mossbird by montel December 30, 2003

Mousefire 

A rat that has simply set itself on fire and has run into a colony of cats to kil itself. Mousefire can also be a firey bitch woman who likes cats and will kill if is not fed chicken or is messed with.

Example for the rat:

Cat #1: "Hey is that another Mousefire running around here?"

Cat #2: "Yeah the fire on it might burn us down."

Example for the person:

"Damn your girlfriend is a Mousefire!" Bob says to Billy.

"Yeah that's why I'm afriad to break up with her," Billy says. "She might murder me!"

Mousefire by Valsha May 2, 2009