M.A.T.H 

Mental Abuse To Humans

Jake Paul:”Have You Guys Been To M.A.T.H Class?”

Me:”You Already Taught Use That”

M.A.T.H by MemeMaker1 October 6, 2017

m.o.m

Master.Of.Manipulations

M.o.m the masters of manipulations

m.o.m by Peckenstein November 9, 2017

m-log 

One whose nickname, or 'handle', can be referred to as "Mason."

1:) That m-log can't fit in the mason jar.

2:) DAAAAMMMMN! Did you see that hoe from the trap house that m-log bagged?!

m-log by ElectrikBoogaloo April 20, 2018

m&m 

short for, Ad hominem.

He threw the m&m's first.

m&m by Seducier April 20, 2018

M-80 

that mini stick of dynamite you always play with as kids that was the cause of your buddies 3 missing fingers.

"Hey Tim, you remember that old gag where we'd light an m-80 and flush it down the toilet?"

M-80 by Johnny Rebel For President November 29, 2017

M.C 

Mic Cheese

Cheddar Bob's rap name is M.C Bob or Mic Cheese Bob

M.C by Jimmy Smith Sr December 18, 2017

M or S 

Masochistic or Sadistic.
Commonly used in fetish community as a question to find someones side of preference spectrum

-"M or S?( ͡° ͜ʖ ͡° )"
-"I would rather dominate( ͡° ͜ʖ ͡° )"

M or S by Niggerniggerniggerfaggot January 2, 2018