It's when you make jokes with your self. Usually in one's head, but sometimes out loud and then no one understands. Also shortened to humorbate for the action, and humorbator for the reference of one in the action.
While waiting in line, I was humorbating to keep myself in a good mood and pass time.
When I turned into the aisle, the employee was laughing with noone around, he's a humorbator.
Noun
1) A "disease" diagnosed when the following symptoms occur:
-random spurts of giggling, humming slow songs, reciting Shakespeare prose
-odd red spots on or around the neck area
-odd abdominal feelings
-constant smiling
-lightheadedness and hallucinations
-flushed cheeks
-sudden boost of self-esteem
-etc.
Pranker-I can make anybody laugh but that guy.
Prankers friend-He's humorblind, and soon it will be spread and we will be humorblind too. What are we going to do to make this guy crack up?