Top definition
When an old man hits you in the face with his dusty ballsack.
Jenny: The old man I picked up at the senior center totally gave me a hooberknocker.
Janet: I had one of those once, it was awesome!
by ayazbee December 22, 2011
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