Mibbler 

An annoying and unpleasant person who is easily dislikable and is rude to most people around them.

That mibbler won't leave me alone

Mibbler by Black Taylor July 27, 2022

Mibbert 

A male pensioner who likes to fondle young ladies in public and gets away with it due to their surprise and sympathy.

Did you see that Mibbert just squeeze the receptionists arse?

Mibbert by Belgraviadan April 17, 2015

Mibble

When a cat watches a bird through a window it makes silent repeated movements with its mouth. This is Mibbling.
look out for the accompanying whisker quiver.

The Cat stared out of the window and mibbled at the sparrows it so desperately wanted to catch.

Have you seen my cat mibble at the tits?

Mibble by NekoDolly August 12, 2008

Mibblet

Someone who has never used IRC before except on Mibbit.com

That Mibblet doesn't understand that when you ask a question its mandatory for the Admins to idle for at least 20 minutes before answering.

Mibblet by Arkt1k F0X November 6, 2008

Mibbles 

When you fart and your balls hurt

Dude! Those beans gave me the mibbles.

Mibbles by Mibbles.org October 5, 2018

Maple mibble 

A delicious snack consumed by only the most important people, usually paired with barbecue

Jenny: “What are we getting for dinner?”
Dad: “Ribs and maple mibbles, does that sound good?
Jenny: “Yes, I love that meal!”

Maple mibble by yourlocalworddealer August 14, 2020

mibble

A cross between "drivel", "mumble" and "waffle". Used to describe the act of going on and on about something very boring or completely irrelevant.

Joe, what are you mibbling on about?
What a load of mibble!

mibble by MazzaT April 18, 2007