What is Ocm?
1.
Obsessive compulsive masturbator. Basically, this describes anyone who has flogged the dolphin to a point of obsession. Some may experience blanks or blood.
See that kid Mike, his mom told me that he's an OCM.
See
2.
It means something or someone is so awesome that you feel that word isn't enough.
"You're ocm!" "I found one hundred dollars on the stret! OCM!"
See