Top definition
A lump that forms on your testicals from draining your man nectar too often.
"Mom, will you massage my nutlump with your tongue?"
by Senior El Jalepeno March 02, 2005
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