Particularly amusing is his insistance on greeting Hank by coming out of nowhere and tackling him to the ground. After he does this in front of Atticus in season 6 the following conversation takes place:
Atticus: Can I have a go at that? I quite like the idea of tackling Hank.
When Charlie is fired, he barges in ready to go down with a fight, only to be presented with devastating evidence of his jerking around. His "one time" defense doesn't fly and finally leaves from where he came. Runkle is ankling, huuuuuuh!!!
Charlie jizzing in his pants during a lap dance; he first tries to justify it "You were grinding!" and then tries to pass it off as a compliment.