look up any word, like eiffel tower:
 
1.
Reading someone's mind with scary accuracy. Even more true if the thing that was mind read was so far out of left field that it feels like Professor X was sitting by in his wheel chair probing your inmost thoughts. Likely, the charlesing will be reoccuring and become an irritation. It's a creepy bonding experience.
(Guy 1 thinks of ordering a pineapple and pepperoni pizza)

Guy 2: Man, I'm crazy hungry. Let's order some weird-ass pineapple pepperoni pizza or something.

Guy 1: Quit charlesing me, bro!
by Psystar October 01, 2011
 
2.
To masturbate in a public area such as school or the office. Those who participate often will not care or have little regard for the look of disgust on their peer's faces.
"Oh my God, did you see that guy charlesing? I am NEVER shaking HIS hand!"
by brdof hrms April 02, 2008
 
3.
Leaving the caps button on when commenting or texting And not realizing that it means you are yelling. Often done by older people on facebook.
Boy on facebook: Hey dad, did you and mom see the picture i tagged you in?

Dad on facebook: YES SON, IT LOOKS GREAT, WE LOVE YOU!
Boy on facebook: Dad you are CHARLES-ing again. I'm not sure if you are mad at me practicing your online screamo!
by Cmoneyyo August 20, 2012