shmibb club. a boys club, usually in high school, where members try to sleep with the most girls and award points accordingly. (i.e. popularity, weight, virginity, if they've been shmibbed before, etc.)
The S.C. members are like a frat.
S.C. - An abbreviation for Steel Cage. Mainly used for defining a gun's barrel make/material/etc. - However now is used in gun slang.
Get that steel cage yo!