Being a "Sm" is basically being awful at every game you play. This also includes swearing extensively while dying in a FPS. This is named after a particularly bad player at Halo 2, Halo 3, and Call of Duty 4.
The abbr. of Sado Masochism. A sexual act involving two or more participants whom having overwhelming amount of desire to either sexually torture others or be sexually tortured by others. Also associated with BDSM.
My friend had went to a SM party last night; that's why they stayed home today because it is a tiring activity.