pumper
nounUK /ˈpʌmpə/ · US /ˈpʌmpɚ/
Etymology From pump + -er.
1
One who pumps something.
2
A fire engine with a water tank and pump.
3
Bodybuilding, Hobbies, Lifestyle, Sports Slang A steroid or other drug taken to improve blood flow and increase muscular size.
- Derived terms
- fist-pumper
- Related terms
- gym candy, roids