Pumping meaning : To use a pump to move (liquid or gas). (often followed by up) To fill with air. To move rhythmically, as the motion of a pump. To shake (a person's hand) vigorously. To gain information from (a person) by persistent questioning. To use a pump to move liquid or gas. To be going very well. To kick, throw or hit the ball far and high. To pass gas; to fart. To pass (messages) into a program so that it can obey them. (British slang) To copulate. To weightlift. The act by which something is pumped.