1. One of the baddest motherfuckers of all time.
2. A really kick ass cool dude nicknamed Slim, but later dubbed himself King Slim because his ego is bigger than Mount Everest.
3. Egomaniacal founder of Sonic Death Monkey Entertainment and creater of his still-untitled cartoon.
3. See cocky, arrogant, cool, kick ass, swell, etc.
4. Self-proclaimed King of the World (see definition 2 of The King of the World)
5. Lead singer of his own band King Slim's Kick Ass Band
King Slim is the King of the World