look up any word, like donkey punch:
 
1.
proper noun, the best damn MoH:AA player to play the game.
Holy Christ! I just got owned by JibberMan!
by J-Mac September 21, 2004
 
2.
the act of being a jibb, to be of below normal standards and having an IQ about the same as Forest Gump. The subject referred as a jibberman usually has poor bowel and bladder control, Noticeable in obvious staining below the waist on their clothes.
"... hey look at that poor jibberman, we should take him to a shelter, or to the zoo...."
by shabbadoo September 21, 2004