1. Used to describe someone who is crazy(girls) and funny all at the same time. He is not affraid to make a fool of himself.
2. At a party the a partyer is partying it up and becomes a CrunkMonk3y by being too drunk or crunk ( crazy drunk), and who is acting like a monkey (all over the place).
3. Life of the party.
I am a "CrunkMonk3y".
That guys is acting like a "CrunkMonk3y".
That guy is eating a Banana, he must be a "CrunkMonk3y"