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1.
Jameson Irish Whiskey
I'll take a double Jamo - neat.
by Bophadeez December 07, 2010
 
2.
A phrase that succeeds in promptly ending the flow of conversation,making it awkward for everyone in the near vicinity.
Jerome: hey! hows it going man, whats new?
Stuart: My mums dead.
Random onlooker: woh, J.A. mo
by ginblo May 04, 2009
 
3.
nigerian word to refer to jamaicans
feranmi: yo jamo what are u doing tonyt.
Biancia: man ima smoke some weed..waguan
by lloyd bond September 28, 2010
 
4.
To congratulate yourself excessively over any success or feat, no matter how small or insignificant.
Bro, I just scored 83 points with Rasheed Wallace in NBA Showtime for N64. COME AT ME.

Bro, don't jamo yourself.
by Jefferson Rin November 02, 2011
 
5.
Jameson Irish Whiskey

A.K.A "Jamie"
A.K.A. "Mcnulty" (referenced from HBO's drama "The Wire", where detective Jimmy McNulty is frequently seen with a half pint of Jameson throughout the series).
Bartender: "What can I get you?"

Patron: "Jamo and Ginger, yo."
by Buckwild666 March 16, 2010
 
6.
It began as a corporation name. Now, with the corporation defunct, many years later in the entertainment industry it is shorthand for being 'judged' unfairly or if someone is using scare tactics to make you do things. It has now, with time, become a verb.
"Hey Meyer, did you see you were stricken from the list of people being considered for this job?"
"NO! I had no idea!"
"You have been J.A.M.O.ed. You better look into that and find out what they need you to do to belong in the inner circle of those being considered for the job!"
by SchoolYardConspiratoryTheorist February 18, 2013
 
7.
The relaxed version of the name James. Could be seen as an alternative to Jamie.
Not too common in the workplace, generally used in a casual environment.
Doug: Jamo, what your plans for the night?

Jamo: Ah, you know, same old eh boy! Lets gooi!
by Irie guy April 29, 2011