GMS stands for good man syndrome. When a person does something good for you or just in general he is a good man. But when he repeatedly does something for you he has good man syndrome.
by dangler-mcdangles July 26, 2011
by Wandle Shaytham October 13, 2004
by Evil_monkey0_0 October 15, 2010
God moding. This is when a roleplaying person claims to be invinsible or says he or she was not hit or harmed by an attack that clearly struck them. Also when they say that they can kill anyone no matter what
Josh: *shoots your foot*
Fag: *dodges and kills you*
Josh: ooc: dude your fuckin gm
Fag: no im just better
Josh: w/e fag
Fag: *dodges and kills you*
Josh: ooc: dude your fuckin gm
Fag: no im just better
Josh: w/e fag
by suicide cures cancer September 13, 2006
GMS aka Guy Menstrual Period. Same thing as PMS but for Guys. Usually the guy is very irritable, will get mad over the smallest issue or will be more emotional then usual.
Chris: Dude watch out for scott for the next few days he has a serious case of GMS.
Scott: Thanks for the warning I was just about to tell him i had sex with his sister.
Chris: That would be a big mistake he would ether kill you or cry for the rest of the night.
Scott: Thanks for the warning I was just about to tell him i had sex with his sister.
Chris: That would be a big mistake he would ether kill you or cry for the rest of the night.
by bigreese November 10, 2009