What is Jcmb?
1.
Abbreviation, and an understated way of saying "Jesus Christ Monkey Balls". A phrase made popular by South Park.
Could be used much the same way as "omg" or "omfg".
Chatroom example:
Person #1: I got my car washed today.
Person #2: JCMB
See
Random Words:
1.
The definitive article of clothing worn by Zebra Jacket Girl(see also ZJ)
Oh shoot Greg ZEBRA-JACKET GIRL!
See zebra, jacket, mike, pi..