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

mousepraneense

To mispronounce a word or phrase.

A: "That's so banal."

B: "I think you are mousepraneenseing that word."

mousepraneense by Mr. Cardboard November 7, 2011

Mushbrain 

n. Any person who believes that feelings outweigh all other considerations, esp. in political speech. Often believes that any facts or evidence presented that may alter his/her feelings must be coming from someone who is one or all of: uneducated, hate filled, mean spirited, superstitious, racists. Uses the term "feels like" or "I feel" when asked for information or a fact.

Rochelle seemed like a classic mushbrain when told the policeman that she feels like the car was blue.

Jeff felt the teacher hated him when he got his grade in English. The teacher said he was a mushbrain, which made him feel better.

Trisha felt like Hilary should have won the primary.

Mushbrain by imotore February 26, 2009

Moosetrain 

An adjective for a sound that resembles a moose getting anally raped by a train.

If your band actually sounds pretty decent, then the perfect oppurtunity to say this would be when the band first gets their music (unless of course your band is a bunch of sightreading robots)

"You guys sound like MOOSETRAINS!" lol, Tamika, can't wait

Moosetrain by Priya Ravichandran June 24, 2007

Mouse Brain 

Warrior Cats version of an idiot or a stupid person.

Fireheart: Sandstorm, can you send 2 apprentices to hunt?
Sandstorm: alone?
Fireheart: sure.
Sandstorm: MOUSE BRAINED FOOL, BLUESTAR DOESNT ALOW APPRENTICES OUT WITHOUT A WARRIOR.
Fireheart: *questions his whole life*

Mouse Brain by Warrior cat April 30, 2023

mousebank keyboard slam

When you slam your keyboard to make a word out of random letters, often used after someone said something fucking stupid.

Person 1: (Bad Pun)

Person 2 (does the Mousebank Keyboard Slam): LASDFSKHGJKAHDLJFKHSLKFJ;ALKGD

mousebank keyboard slam by Lipton Geschmack Peach Ice Tea July 31, 2017

Mushbrain 

Playing too much video games non stop without leaving chair/bed

Your such a mushbrain

Mushbrain by The big MCQ November 2, 2023