Mumberlaaa!

When someone is afraid to say what they want, so they mumble it. The person nearest to them then shouts "Mumberlaaa" in their face.

Or when someone is saying something you don't agree with but you have no real argument and resort to shouting it in their face, claiming you cant hear what there saying.

Teacher: WHAT DO YOU THINK YOUR DOING!!
Guy: Errrm, I was just, errm nothing its, I was..
Guy sat next to him: MUMBERLAAA!!

by GyratingJack August 28, 2010

Mumblety Five

The response to someone who mumbles so much that you have tired of saying: "Excuse me, What was that, Could you repeat that, Come again or I can't hear you."

Person A:A mmfrt able to cmomprt smoo!

Person B:Mumblety Five?

Person A:I am never able to comfort you.

Person B:Maybe because I can never understand you

by Anenglishmajor May 11, 2011

mombooking

verb. To use Facebook like a mom ie. looking at someone's profile and like everything they've posted in the past three months all at once. Characterized by the resulting notification spam.

My mom liked all of my profile photos, she was mombooking again.

by thedeerone August 9, 2015

MomBox

The typical online Xbox experience where a 10 year old is fucking your mom

Xbox online just ends up being a MomBox after a few rounds of Halo

by Cold-Solid December 7, 2016

Mimbo

A male bimbo. A "pretty boy" who is also stupid. Also known as a Drew Thomas.

Drew Thomas is a big mimbo. Like HUGE!

by Errmergerwd July 29, 2017

Mmmboy

When some boy says something dumb and u wanna roast them.

Mmmboy! I should just roast u.

by Jasmine bieber November 2, 2017

Mumbleboth

A derogatory term for someone mumbling nonsense and generally bothering people

Usually applies in social situations where an incoherent person is causing a nuisance

Check out that mumbleboth over there.
Stop mumblebothing me dude.

by pigeondigger June 30, 2019