Hand Pump Edit Meaning

1. Continually slapping an unsuspecting victim in the back(usually in between the shoulder blades)in a motion that is similar to a drumroll..

1. Banging on the table... when you laugh too hard you sometimes do this. Originated on a forum to mock people using rofl, roflmao, lmao, l..

1. To send out automated spam I ran my esrun script See spam, esrun..