Toilet Musing 

The act of taking time on the toilet to reflect on life and its various aspects.

Hey bro, you were in there for awhile. Is everything alright?

Oh sorry, I was just toilet musing.

Toilet Musing by Mikekim93 February 24, 2011

mewing

A technique attributed to a British orthodontist named Mike Mew that involves putting pressure on the roof of your mouth with your tongue to try and change the shape of your face by moving your maxilla up and forwards with the lateral pressure of your tongue. This fits into the broader looksmax approach to self-modification in the name of love and romance.

Stacy "Yh Chad has some nice ass jaw now. He's been mewing for 6 months now"

mewing by xaviergainford January 14, 2019

MERINGFUL 

feeling happy and excited for what is coming

I FEEL REALLY MERINGFUL RIGHT NOW

MERINGFUL by KELLY BOI January 24, 2019

Meatstick Meringue 

Yet another slang term for gizz, sperm, semen, splooge

The pornstar shot a load of meatstick meringue on the porn starlet's tanned butt cheek

Meatstick Meringue by sarasplayroom.com November 15, 2009

melinglong 

A person of ethnicity - male or female - that is a mix of Indian, Asian and Black at once.
This definition can also be used towards somebody that is "fucking around" or messing up an action a lot.

"Stop being a fucking Melinglong"

melinglong by YourMumsVisa August 22, 2021

Meningococcal 

the disease that your teacher threatens you with when you want to share a waterbottle in class.

student: *shares water bottle*
teacher: *scottish accent* meningococcal

Meningococcal by jake. lol April 15, 2021

MCSing 

MCSing is Multiple Cyber Socialising, which is the term given to the situation when a person is in conversation with various people through different forms of communication. This includes internet chat rooms, social networks, phone communication, and basically anything that involves a means of communication such as internet or phone networks.

Man 1: "Hey man, what you up to?"

Man 2: "Oh just MCSing, the usual."

Woman 1: "How will I be able to finish all this work?"
Woman 2: "Stop MCSing you fool!"

MCSing by The Testosterone Bullet October 14, 2009