Top definition
a hit in someone's testicles with someone's fist. Most of the time it hurts real bad for at least 5 minutes.
Sean was given a Harlem Pumper by Matt, Sean was crying and laying on teh ground. He was in alot of pain.
by someone that was bored February 16, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug