Stands for "Retarded Mouth Syndrome". When girls get together to take pictures, instead of smiling, they often resort to retarded ways of forming their mouths. Examples include weird "kissy" faces, random forms of lip distortion, and overall retarded looks on their faces. Unfortunately almost 100% of girls will catch this disease over the course of their lives, just check your facebook friends.
"Dude Stacy is pretty cute."
"Yeah but check out her Myspace, she's got RMS"
"Ah damn, she really did ruin all of these pics."
"Yeah but check out her Myspace, she's got RMS"
"Ah damn, she really did ruin all of these pics."
by Morfene April 19, 2010