Clicking on online ads of a company who has wronged you.
Ads cost the company money each time they are clicked on. Sense they have cost you money, you are going to cost them money by Clickslapping their ads.
Jeff was so mad at his bank for charging him an over draft fee, he Googled them and then Clickslap their ads like a hundred times. Ads costs the bank money each time they are clicked on so Jeff Clickslapped his overdraft fee back plus some for his trouble.