"pumping" in the verb sense
1. pump
operate like a pump move up and down, like a handle or a pedal
"pump the gas pedal"
2. pump
deliver forth
"pump bullets into the dummy"
3. pump
draw or pour with a pump
4. pump
supply in great quantities
"Pump money into a project"
5. pump
flow intermittently
6. pump
move up and down
"The athlete pumps weights in the gym"
7. pump
raise (gases or fluids) with a pump
8. pump
question persistently
"She pumped the witnesses for information"
Source: WordNet® (An amazing lexical database of English)
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