1 definition by altapurplewrench

Top Definition
The sound that a boner makes.
"i was about to go down on him when i heard a groing."

"the entire class heard me groing during the middle of the presentation on chlamydia. It was SO embarrassing!"
by altapurplewrench August 11, 2009

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