this word means you are the coolest person someone has ever met. It means that you are worth hanging out with! and it also implies that if you blow that person off, it will most likely not be good for your health. Also, if someone is a meg bon then they most likely have the coolest friends ever.
-Ben -"Haha, i love this person sooo much, she is such a meg bon!"
by baschwitz March 30, 2008