MG

Abbreviation for severe Headaches, usually associated with stress. Migrane.

I have such an MG I can not go to work today!

by Rookie January 27, 2004

@MG

Ah My God.
Much like "Oh My God," but less theatrical.

Ecko: I just killed my dog.
DrLime: @MG, cool!

by DrLime February 28, 2004

MG

Someone who thinks they are the greatest person alive, but fail miserably at achieving such. The initials 'MG' stand for mundane gorilla. Someone who is referred to as MG has little to no intelligence, and often lacks even the most basic of skills.

Alex Doyal, a famous noob roleplayer would be a prime example of an MG. He constantly thinks he is the greatest, simply because he can speed fight.

by Raghnall Issachar January 14, 2007

MGS

Mexican girl sluts.

Hmph, I'm mad at you, heard MGSs were all over you last night.

by P-bear88 August 14, 2011

mgs

Male gossip session

Tom: When Bob comes we can find out how many guys Jenny has done.
Rob: MGS!!!

by WTFJIM? May 14, 2011

mg

meaning: mad gay.

basically,when something is really gay,not in the obvious form but rather like saying "lame"

Mike:"Dude i just totally beat the shit outta your little sister !"

Cisco:"that's mg..."

by Mikeisftw July 11, 2008

MG's

Mammary Glands
breasts
tits

She has a nice pair of MG's.

by Ndugu Flaco April 30, 2018