Definitions by Barrett, Jack

Cock Blocking by Omission (CBO) 

(verb) the act of blocking one's cock by not introducing him to hot female friends

"My cousin is totally CBO-ing me by not introducing me to her hot soccer friends."
"Oh man...she CBO-ed you real bad."

--Cock Blocking by Omission (CBO)

Cock Blocking by Omission (CBO) by Barrett, Jack January 22, 2009